◇Izuku's evil twin sister◇ (B...

By 6_KaRe_6

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*DISCONTINUED* You're name is izaka midoryia. You grew up with your twin brother izuku midoryia and your mom... More

《IZUKU!》Ch.1
《USJ》ch.2
《No you, Don't!》 ch.3
《U.A.》ch. 4
《First day》 ch.5
《Combat》ch.6
《Sports festival》ch.7
《Stain》ch.9
《One for all》ch.10
《Practical exam》ch.11
《Arcade》ch.12
《Camp》ch. 13
《All for one》ch. 14
Kacchan ( Katsuki Birthday special!)
《license》ch. 15
《Mirio Togata》ch. 16
Izuku birthday special!
ch. 17

《Gran torino》ch.8

1.2K 29 58
By 6_KaRe_6

Izaka POV

I watched as izuku fought. Izuku kept encouraging todoroki to use his fire quirk. "IT'S YOURS! YOUR QUIRK NOT HIS!" Izuku shouted at todoroki. Todoroki stood frozen in the position until his eyes widened and flame came bursting the stadium. 'He.. used his flames...HE USED HIS FLAMES!' "GO IZUKU! GO TODOROKI!" I cheered from the bleachers. Izuku was smiling and so was I. We both knew the reason of todoroki's problem. I wanted to help him yet he never used his fire quirk with me. But izuku... izuku saved him. "YES TODOROKI! ITS YOUR QUIRK! MAKE IT YOUR OWN! NOBODY ELSE'S!" I cheered from the bleachers. "I see now midoryia... you and your sister... thank you.." todoroki spoke as he sent a blast of fire and izuku going for a one for all blast. Walls came in between them as the sent they're power out making a wave of air blow everyone away.

Silence... the smoke cleared up and the crowd road as they saw izuku out of bounds and todoroki still standing. "WOOOO! YES TODOROKI!" I shouted at todoroki. He looked up to me and I gave him a big thumbs up, then running out to go see how izuku is feeling.

I reached the recovery girls office and saw izuku all wrapped up. "Izuku!" I ran up to him and saw all might in his deflated form. "Young midoryia.. may I ask you something?" All might asked. "Yeah?" All might turned away and asked. "Why... would you make young todoroki use his flames knowing it would put you at a disadvantage?"

...

"Because..." I cut izuku off before he could finish. "He needed to be saved." I smiled to izuku. "Todoroki saw his power as a curse, not as his own quirk but his father's. The only thing one of us needed to do was for him to realize it wasn't. I mean, it didn't work for me when I tried... probably because izuku was more of a worthy opponent... but I still wanted to help him... I kept telling him that I knew his weakness.. hoping he'd find out I meant his fire quirk... but it turns out he didn't. I used the words, "you rely on your quirk to much." As in a way to help him see that he needs to use his other side. I meant he relied on his ice to much, not his fire. That's why..." I looked up to see all might with a bright shine in his eyes.

"You two.... you two are going to be great heroes..." he gave me and izuku a warm smile. All of a sudden he become all might and headed out. "Must be cool to have all might's power now a days? Huh?" I smirked towards izuku. "Yeah.. comes in handy.." he replied.

~

After a while we watched kacchan vs. Todoroki. Todoroki didn't use his left side for some reason... I'll probably go talk to him when I can... then kacchan won the festival but he didn't seem like he enjoyed it... I walked down the stadium to go find todoroki. 'Probably in that alley way.' I walked towards the alley way and saw todoroki.

"Hey todoroki!" I waved to him. He looked up at me then looked away. I stood on the opposite wall from him. "What happened?" I asked. "You... you were trying to make me use my left side... weren't you?" He looked up to me. "Mmayybe.." I smiled.

"You... never really cared on wining our battle... you wanted to help me?" I nodded in response. "Its not always in the wining, todoroki." I gave him a smile then headed to class. I grabbed my things and went home.

I felt my phone buzz while I was walking home. 'Izuku texted me?'
______________________________________

Izuku: meet me at the beach.

Me: why? Aren't you still recovering?

Izuku: its important! Just come please!

Me: alright!
_____________________________________

I wasn't far from the beach so I wouldn't take long. I arrived at the beautiful clean beach that izuku has cleaned. I walked down the stairs and saw all might near the sea. "Hey!" I waved to him and he looked at my direction. I walked up to him and looked around for izuku. "Um.. where's izuku?" I asked. "Its just you and me, izaka." He replied.

"Is something wrong? Is there a reason you called me here?" I asked. "Yes.. izaka... today you had the same intentions as young midoryia... isn't that correct?" He asked. "Yes? I dont see what your getting here all might.." I said.

"Izaka... what are your thoughts on a being a hero?" He asked. "Being a hero?..." I looked towards the ocean and gave myself some thought. "Well.. I wanna be the type of hero that can save people with a smile on my face.. just like izuku.. and you... I wanna help the world and save lives... never take them... I wanna be the hero people look up to when they're in need of help... I wanna be the hero that's just like you all might." I looked back at him and gave him a smile.

"Izaka... you too can become a hero, just like me." He reached his hand out to me. "What do you mean?" I asked.

"I want you to inherit one for all... along with your brother."

I looked up at him in shock. "W..what?" I asked. He became all might and took out a piece of hair in front of me. "You can become a hero... just like me... with your intentions of being one and your outstanding abilities... you have what it takes to be worthy in becoming a one for all holder."

"All might... you must be serious.... are you sure... I feel izuku will become a better hero... i was once a villain... how does a hero live from that?" I asked feeling guilty... 'inherit one for all!? How... I was a villain..'. "I am positive and young midoryia was the one who suggested we give you one for all along with him. He sees potential in you izaka... and so do I." He offered me the piece of hair and said..

"Eat this!"

"Wait what?" I asked. "To inherit my power you must have my DNA!" I took the hair from his hand. "Alright...." I swallowed the piece of hair and literally almost choked but I'm fine.

"Is something supposed to happen?" I asked. "No not really... but you izaka are now a one for all user!" He deflated back into his old self. He walked up to me and put his hand on my shoulder.

"Izaka..." I looked at him and I wanted to cry... but I didn't. "Thank you all might." I hugged him. "Your welcome." He hugged back. After a moment I separated the hug.

"I have a quirk now...." I mumbled to myself... "Wait! Am I gonna have broken bones like izuku?" I asked unsure. "Most likely... but it will take time for you to master one for all." He answered. "Wow... so I start my training with izuku now?" I asked. "Yes." He said.

I smiled and went of the stairs. "I'll see you tomorrow all might! And thank you!" I waved to him as he waved back. I walked down the side walk and kept thinking to myself.

'Am I dreaming?'

I made it home and took off my shoes. My mom came running in giving me a hug. "My baby! Congratulations! You did amazing!" I hugged back and thanked her. After I went inside I saw izuku on the table eating.

I looked at him as he raised his head to look at me back. "Congratulations..." He smiled. I couldn't help but give back a big cheeky smile and hug him. "Thank you izuku.." I whispered. "Its all you, Izaka." He whispered back.

Izuku POV

~ flashback at the festival ~

"Alright! I'm gonna go cheer on todoroki and kacchan! See you guys later!" Izaka went out and me and all might were left.

'I wonder...'

"All might?.." I looked to him. "Yes, young midoryia?" He asked. "Is it possible... for two people to inherit one for all at once?" I asked. "It's possible... but never really done before...why do you ask?.."

"I think izaka should inherit one for all along with me." I looked down to my two broken arms. "A-are you sure? Young midoryia.. one for all is a power that needs great responsibility..." all might asked. "I'm sure... izaka has the same potential as me... I know it... I want izaka to inherit one for all." I looked up to the TV seeing izaka cheer on todoroki and kacchan.

"Young midoryia.. how are you sure?" All might asked. "Ask her... ask her what she thinks of being a hero... I already know her answer.. she has potential... she's quirkless... yet, look at her... she kept her smile on her face and she's strong... " I smiled at all might. "She's worthy of inheriting one for all."

"Alright... I'll meet her at the beach... may izaka soon be a user of one for all... I hope..." all might looked back at the TV."

~ flashback end ~

Izaka POV

I was laying on izuku's bed rambling. "So, you break your bones using 100% ?" I asked. "Yup. I'm still trying to master it." He replied. "Why?" He looked at me confused. "I mean, why try to master 100% immediately, when you should take it slow. Like using 5% and going higher as you practice?" I got up from the bed giving him a 'did you?' Face.

"I never thought of that..." then continued to mumble to himself. I got up from the bed and sat next to him. "We'll learn together, dont worry about it!" I patted his shoulder. Then a wave of realization hit me. "How am I gonna tell mom about this-" I began mumbling in fear.

"Hey! Its ok! Tell her you just got it! She believed me when I said that, and since we're twins it makes sense you got it a little more late. Plus, since it's the same quirk she'll believe that we have a twin quirk or something." He calmed me down. "Alright... but what about our class?" He shot his eyebrows up in realization. "Oh..." I began freaking out again. "Oh my god! What about kacchan! He'll think I lied and probably think that I was lying about being quirkless and trying to make a fool of him!" I began thinking about all the possible outcomes of that problem.

"Wait! He acted that way when he found out about my quirk..." I looked back at him and ran towards his face. "What did you say." I forced him to tell me how he made kacchan not kill him.

"I told him that the quirk wasn't mine and it was a borrowed quirk!" He confessed. "You, WHAT!?" I shook him. "Why would you tell him that!? He definitely didn't believe you due to how kacchan acts but he will think about it in the future- DONT TELL ME YOU TOLD HIM ABOUR ONE FOR ALL!?" I shouted at him. "I didn't!" He put his hands up shaking his head.

"Then he probably is gonna be more suspicious every time we use the quirk. BUT THIS TIME HE'S GONNA COME AFTER ME!" I grabbed my hair freaking out again. "Izaka! Calm down! We're just gonna have to tell them that you got your quirk late! Ok!?" Izuku grabbed my shoulders and made me look at him in the eyes locking ours together.

"Alright. But If I end up about to get killed by kacchan I'm blaming you." I shrugged my shoulders and left the room mumbling to myself about how I'm gonna explain my quirk.

~ Next morning ~

I was walking with izuku to school and I couldn't help but ramble about what is gonna happen. Izuku just kept walking listening to how I was freaking out. Sooner or later we arrived at school. I walked into class more nervous than ever.

I sat down at my desk and heard momo whisper yelling my name. I  turned my head to her. "You alright? You seem scared?" She asked. "Oh, I'm fine! Thanks for asking though!" I smiled to make sure she believed me and turned back around to continue my mumbling. Soon mr. Aizawa came in.

~

'HERO NAMES!?! That's it I'm screwed. I never made a hero name before besides with izuku as kids!' I looked towards izuku and he was as nervous as I am. "Now choose your names wisely or-" the door slammed with midnight walking in. "You'll have hell to pay for it later!" She walked up next to mr. Aizawa while he zipped himself up in his sleeping bag.

Ms. Midnight passed out white boards and markers. "You'll all right your hero names on the boards, and come up to present them!"

'Yeah... this is gonna be to hard.' I took my marker and sat there staring at my board. 'What name should I put?' I saw students go up and present their names. Next thing I knew I saw izuku go up. 'HE GOT A NAME!?' He presented his board and it said.

'Deku'

'Why would He-....' I look towards uraraka.. 'because she said it sounded like a hero name..' "deku is now the name of a hero!" He said. 'He has something for that girl...' I thought and smiled. I look down at my board and took it to deep thought.

'What should I put!... I can just put my name? But that's to lame!... but I'll put my nickname! It wont be bad right?... I hope...I'll probably change it in the future.. but this should do for now.'

I got up as and went to the front. "My hero name is, Iza!" Everyone gave me looks. 'I knew this was gonna go bad.' I let out a sigh. "Help me out here guys! I'm to this!" They all looked at each other and nodded. They started clapping and I sat back down at my desk. 'Ugh.... that was to embarrassing.'

Later that class finally ended. And mr. Aizawa told us about the internships. I sadly got no requests.. but neither did izuku. 'That's odd'. We began walking to the cafeteria and all might came up to us with a bag of lunch. "Want to come join me for lunch?" He said nervously. Me and izuku looked at each other and nodded.

We followed all might to a hallway that was empty. He told us about his mentor that he trained with. "I told him about you two and he accepted to take you for the internships." He said shaking. "Um.. that's cool!" I tried to cut the awkwardness. 'How scary is this guy?'

~ time skip to the next 3 days they make it to the train station to leave~

I walked with izuku and with our hero suits. 'I haven't seen my suit yet but I cant wait to try it!' We heard about what happened with Iida's brother and we wanted to make sure he was alright. Me, izuku, and uraraka walked up to him. "Iida!" He stopped and turned to us. "We just want you to know... we're always here if you need to talk.. we're friends aren't we?" Izuku said. He nodded, "ofcourse." Then left off for his train.

I was still kinda worried but I'll put it aside for now. Me and izuku got on the train and arrived sooner than we thought. We walked around the city looking for the address that all might gave us. "Over here!" I pointed to the old house. We gave confused looks to each other and walked in. "Hello? Our names are izuku and-" izuku got cut off by seeing a short man lying on the floor with red fluid under him.

"AHHHH HE'S DEAD!" Izuku screamed. I was a little shocked but walked up to the man to check his pulse. Before I could touch him he woke up. "Nope, I'm alive!" I got scared and punched him. He dogged getting up. "OH! I'm so sorry! Reflexes kicked in!" I apologized. "Its fine!" He dusted himself off.

"Now who did you say you were?" He asked. "We're izuku and izaka midoryia!" Me and izuku said. "Your who now?" He asked putting his hand to his ear. "Izuku and izaka midoryia." We said a little louder so he could hear us. "So what's your name kids?" He asked.

'Oh great! He's all might's teacher, so I knew he'd have to be pretty old.. I didn't expect him to be bonkers!'

He flopped down to the floor and sat there. "I could really use some food right now." He said. Me and izuku shook for a second and looked at each other. "Some food?" Izuku asked. He looked up to us and hummed in response. "Toshinori?" He asked. "No, izaka and izuku midoryia!" He still seemed confused. "Excuse me, I just need to make a phone call." Izuku said pulling out his phone. He walked out as I followed.

He was calling all might till we heard the guy say something. We turned around and he was looking through our suits. "Uh! That's our stuff-!" We stood there confused. "Why dont you two fire a one for all smash at me?"

'Huh?' We looked at him confused. "I wanna know how far you've come in handling its power."

'WHAT!? I used one for all twice! practicing with all might! And I broke my arm and 2 fingers!? I mean izuku still doesn't have a hang of it either but is this even the same guy as before!?'

"This are pretty good costumes, now where's those attacks?" Me and izuku looked at each other again. "But sir-" I was cut off. "Hey! What are you doing here?" He chuckled with a smile. Me and izuku jumped to the suprise of this guys act! 'What the heck is with this guy!?' I thought. "We're here so we can learn how to control one for all." Izuku started, "We have to get so much better at it. And fast." I continued. "We're also here because we don't know how much time all might has left." Izuku clenched his fist.

"We're sorry but we cant waste our week messing around like this sir." I said.

"I hope you'll excuse us." Izuku said and we turned around till he stopped us. "As I thought." He got up and started blasting around the room till he went over us over the door. "Its time for you to show me what you can do." He had a confident face on. "Ya, newbie." He chuckled.

Izuku had a scared face while I was hyped. 'I underestimated this guy.' I smirked.

~

"I watched the sports festival on television. The way you used your power was unthinkable.  Reckless! He's not training you well. " He lectured izuku. "You, you just received the power yet you still think the same way your brother does. But your combat and natural strength is quite remarkable." He said to me. "I cant stand and watch you use you quirk that way so I'll might as well have to teach you."

"Now hurry and get your costumes on." He told us. I smiled confidently "We're ready. Teach us everything." We told him and grabbed my costume.

I went upstairs and changed I looked at myself in the mirror and I am to embarrased. 'WHY IS MY SKIRT SO SHORT!? UGHH! I'll just have to remodel it later!' I ran down the stairs and saw izuku. He turned to me and man did he go crazy.

"I DIDN'T KNOW OK! THEY MADE THE COSTUME TO SHORT!" I yelled pushing my costume down.

"W-well! That's one problem! But why did you make it so similar to mine?" Izuku asked. "Because!" I ran gave him a hug. "Your my twin! And my inspiration!" I smiled at him. He laughed a little. "Thanks.. BUT YOUR GETTING THAT COSTUME FIXED SOON!" I giggled in response and nodded.

"Alright let's get started!" We said in sync. "Show me your smash." He told us. "Are you sure this is a good idea, we're kinda worried since we never used these suits before." I said. "Plus this place is small. And with a smash I dont think your body can handle it." Izuku said to him. "Well, you sure are chatter boxes aren't ya?" He squatted down and started blasting the place. He went around the place as me and izuku tried to find out where he was. "I'm losing patience!" He said from behind and kicked us from behind.

"Ok, that really hurt!" Izuku said. I tried focusing on where he was going and ignored the pain. I saw him blast to the other wall opposite from us. 'He's gonna blast towards us!' "Duck!" I pushed izuku down and gran torino hit the microwave, breaking it. "What you didn't realize my true strength earlier? I cant believe you two are the ninth holders of this great power." He smirked. "All might's hardly taught you anything. Guess all that fame doesn't transfer into being a good mentor." He said continuing to jump around the room faster than our eyes could focus on him.

He continued hitting us from the back. 'He kept hitting from behind so I have to focus on the opposite wall from me!' Before he could kick my back I moved to the side before he touched me.  I smirked in dogging his attack but he came from on top and kick my back. "Not fast enough!" He said going back and kicking us.

'He's came behind me and izuku twice now so he's gonna go from-' me and izuku activated our quirk. 'Smash!' We threw our hands towards him, but he dogged. "Nice analysis newbies, but your a little stiff. But there is discord within your mind" he flew past me and izuku then pinned us down by our faces.

"That is why I invested you two." He said with his hands on our faces. "Crap. I was for sure I was gonna land that punch." Izuku groaned. "Listen to me. The way you used one for all in the festival showed you were still adjusting to the quirk, yet your admiration for all might and sence of loyalty to him are shackles on you." "Shackles? But how?" Izuku asked. "And you think one for all is more special than it really is." Gran torino said getting off of us. "Then what should we do?" We asked getting up.

"You two think about that in your own time, meanwhile I'll go buy us some food. Clean this place up while I'm gone." He walked out the door slowly. "Huh!" We asked. Yet he completely ignored and me and izuku gave each other confused looks. "Our administration for all might... is a shackle?" We mumbled.

"How are our moves stiff? What does stiff even mean?" Izuku asked. "I dont really know... my combat moves are perfectly fine if you ask m-" izuku widened his eyes. "That's it!" He said pulling out volume 13 of hero analysis on the table. I walked next to him to see what he was writing. "We see the punches of one for all as something we use yet-" then i realized. " We have to make it our own and use it more than just punches but more as our quirk!" I said with brightness in my voice from realizing something we were to oblivious to realize.

~

After gran torino came back with food, we ate and he immediately went to bed. 'One day and he only tested us once... yet I feel like I've learned so much...' I went upstairs and put on my hero costume. 'I cant waste any time here. I'll go train with my extra time and learn more in the morning.' I headed downstairs and saw the doors open. 'Huh?' I realized izuku wasn't here either.

I walked out and saw izuku on and alley way. I walked up to him. "Hey izuku, here to train more too?" I asked. He turned his head and realized it was me. "Yeah.. I still feel like I should train more."

"I was thinking of trying to master one for all using only 5%... so what are you planning?" I asked. "The same thing... you see the walls? I'm thinking of using 5% to make a jumping formation from one wall to another and make it to the roof.... should be to hard, right?" He clenched his fists and I nodded.

"I'll go first." He said. He squatted down to the floor and activated the quirk into his legs concentrating on using only 5%. He jumped into the air and his legs didn't break! 'He's doing-' then his body slammed against the wall and went falling to the ground onto the trash bags. "You ok?" I asked peeking over. "I kinda knew that would happen." He groaned in pain. I helped him up and got ready to jump.

'Send the power to your legs.....' my quirk slowly activating. 'Think about a water balloon... fill it to much and it pops.... now only use 5%!' I jumped into the air and immediately slammed into a wall just like izuku. I fell into the trash bags and looked at him. "At least I didn't break my legs!" I said trying to cheer myself up.

"We need to put more power into our arms and legs at the same time giving us more support to push up to the next wall." Izuku informed me. "Alright, try it out." I told him. He squatted back down and flew up. He reached out with his hands but couldn't activate his quirk on time to get to his arms causing him to hit the wall again.

We tried almost through the whole night trying to perfect it but we just ended up failing

~the next morning.~

"You guys look beat!" Gran torino said walking down the steps. "Yeah.. we trained yesterday and went a little to far." We said tired. "We tried to take everything you said and put it to practice but it was just no good." Izuku said. "Heh, Obviously we still have a long way to go." I said.

"Its your first time trying, so it should be expected. That is how training works." He gave us a thumbs up. "All might mastered one for all right off the bat. So I reached him in a different manner." He wiped his nose and walking towards the microwave.

"Woah, all might as a student!" I said turning to him. "Come on! What was he like back then!" Me and izuku fangirling. He hummed in response. "Oh, it was all combat training for him." Me and izuku looked at him wide eyed. 'No wonder all might was so scared at this guy!'

"The training was difficult, but I couldn't hold back on him. He was trusted in me by a sworn friend who had just passed away." I listened as I thought. 'All might's predecessor?' Izuku then asked. "All might's predecessor? So can you tell us anything about the guy?" Gran torino looked back up at us with a some what shocked look. Then the door bell rang.

"Package for you." A muffled voice said. "Oh, we'll get it for you!" Me and izuku said. We walked towards the door and the man gave us a somewhat big box. We unboxed the package and took out a microwave.

"A microwave?" Me and izuku asked confused. "Yeah! Some how mine broke the yesterday! So I bought a new one!" He replied hitting the microwave from the top admiring it from all around.

We put the frozen desserts inside and sat there thinking about quirks and what we should do. The microwave dinged and we served the dessert to Gran torino still mumbling to ourselves.

"Why the long faces kids? Just enjoy these baking hot pastries for now!" He took a bite of the dessert and he couldn't bite into it. "Its still frozen." He said. "What?" "We're sure we microwaved it like it said to!" Me and izuku said.

"What are you! Idiots!" He got up to the microwave. "You stuck a huge plate in there didn't you!?" He pointed to the microwave. "If you do that then theres no space for it to turn! So only one part of it gets hot!" He growled at us. "Have you never done this before!?"

"Oh, ours isn't the turning type, so we guess not." Izuku said. "Yeah we're sorry that-" then another wave of realization hit me again and it seemed to hit izuku too.

"Woah! Gran torino! We see now!" Me and izuku picked up a pastry. "This pastry in our hands is us!" We said in sync. "No its not. Are you ok?" He asked us. "Uhh. We dont mean literally.." I said.

"But we get it.. up until now we've just been summoning one for all only when we need it." I continued, "only in the places we need it." We both looked at out hands. "Like flipping on some kind of switch." "But if we do that our reaction time gets slower and slower with every move."

"Which means we shouldn't be flipping the switch off." Me and izuku began activating our quirks. "We just have to keep it on the whole time!"

'Imagine the water balloon from exploding.. the energy used in one place, spreading around my entire body.... I need one for all activated continuously with the 5% we can use!'

"So tell me can you move in this state?" Gran torino asked throwing his stick away. Me and izuku were shaking from holding the power contained. "We... dont know yet!" Me and izuku said.

"Wanna give it a try?"

"Yes!"

_______________________________________

5000 words!

Hope you enjoyed!

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