Y/n P.O.V~
I walked ontop of wall Maria as I thought about recent events. It had been about a year since I became the War hammer titan, and I had given Eren a knight piece to increase his speed for killing titans. For other battles, I had given Armin Bishop piece to learn some magic for helping us in our struggle against the titans and Marely. Our country's technology was improving due to Laura being an engineering student, and having her memories gave us many usual things like how to craft machine guns and other stuff. I had also been learning some basic magic from a book Grisha had stored in his basement. I saw Eren working on a canon and smiled, approaching my friend.
Y/n:" Hey Eren."
Eren:" Oh, Hey Y/n, what's up?"
Y/n:" Nothing much just got done talking to Hange about the titan cloning project."
Eren:" So how did it go?"
Y/n:" Not bad, but we have to get samples from each titan before we can clone them."
Eren:" Does that mean you would be able to make a clone of the founder with a sample from my titan."
Y/n:" Probably not because the attack titan and founding titan are fused in you."
Eren:" I see. Hey, could you help me with this canon?"
Y/n:" Sure."
I got to work helping Eren with canon. As we finished up working on the canon and we were about to take our lunch break. We then heard a voice come from outside the walls.
Zeke:" Hello there!"
I turned my head and saw Zeke standing outside the walls in some casual attire. All the guards looked at Zeke and shouted.
Guard:" Open fire! It's the beast tian."
Zeke's eyes widened before he shouted in fear.
Zeke:" Pieck, help!"
The cart titan lept from a tree and landed over Zeke, shielding him from the incoming artillery fire. Peick took all the bullets into her titan, making blood gush out from it. Peick looked up at me as her titan spoke.
Peick:" Y/n please, we want to talk."
I looked into the cart titan eyes as I remembered how kind Pieck was to me when I was captured almost a year ago. I shouted out in anger.
Y/n:" Stop!!! Hold your fire!"
All the guards stop their firing as everyone looked at me. I sighed and looked at Peick and Zeke.
Y/n:" What is it you want?"
Peick's titan spoke.
Pieck:" I'm going to exit my titan now; please don't shoot."
My eyes narrowed as Pieck exited the nape of the titan. Pieck held her hands up as she and Zeke gazed at me. My fists clenched as I looked at the two titan shifters.
Y/n:" What do you want?"
Peick looked down as she spoke.
Peick:" We would like to defect from Marley to Elda your side."
I growled as I looked at the two shifters. I then looked to Eren as he spoke.
Eren:" I'm letting this one be your call."
I sighed as I spoke.
Y/n:" I'll take you to my boss but no promises."
Peick smiled as she spoke.
Peick:" Thank you, Y/n."
As we got Zeke and Pieck with us, and began to walk on the wall. Eren spoke to me with a shocked tone in his voice.
Eren:" I'm surprised you let them in here. Do you trust them?"
I spoke honestly while I glanced back at Peick.
Y/n:" Well, back when I led the group of titans away from you and everyone else, I lost my arm and almost died, but Pieck found me and saved me while also bandaging me up. So yes, I trust Pieck but Zeke is a different story. I don't know what it is about him, but something about him creeps me out, and he has something planned. Let's keep an eye on him."
Eren:" Sounds like a plan."
Eren and I took Zeke and Pieck to Hange as she began to talk with the two. I watched Hange speak with the two titan shifters; however, they were out of earshot. I sat at a table drinking a glass of water as I heard my name called. I looked to see Mikasa walking over to me with a curious look in her eyes.
Mikasa:" Hey Y/n, I heard that you brought the two shifters from Marly in the walls. Is that true?"
Y/n:" Yes."
Mikasa sat next to me as she spoke.
Mikasa:" Why would you let those dangerous people into the walls?"
Y/n:" Well, I trust Pieck, and I feel I owe her a favor."
Mikasa:" Why do you trust her."
Y/n:" Well, she saved my life; she's kind, intelligent, cute along with serval other things."
Mikasa's left eye twitched as she spoke.
Mikasa:" What did you say?"
Y/n:" I just told you why I trust Peick."
Mikasa:" No, what was the last reason you said?"
Y/n:" Cute?"
Mikasa look sighed before I spoke.
Y/n:" Mikasa, are you okay?"
Mikasa spoke with a sarcastic tone in her voice.
Mikasa:" Don't worry, I'm fine."
Mikasa stomped away with an angry look in her eyes. I think I missed up here; I don't know what I did, but I would follow Mikasa, but I heard Hange call out my name.
Hange:" Y/n! Could you come here?"
I sighed and stood up, walking to the table Hange was sitting with Zeke and Pieck. I sat next to my boss and spoke.
Hange:" Y/n the reason I have called you in here is for negotiations."
Y/n:" Well, what does that have to do with me?"
Hange:" Because Zeke and Pieck have agreed to these conditions, you will both make them into devils so they can live a full life; they will help our country improve its economy. Zeke will teach you Armin and Eren more stuff about the titans and the secret powers you have with being a devil, and you have the royal blood of Gremory along with giving us samples for the titan cloning project."
Y/n:" Seems reasonable, but I do have a question. Zeke, why did you come to our cause? What d you have planned?"
Zeke spoke with a determined look in his eyes.
Zeke:" Because I want to rebuild the Eldian empire and make Elda into a world superpower once again. I am a true Elduan restorationist."
I spoke with anger in my voice.
Y/n:" If you are an Eldian restorationist, why did you betray your father and mother, Zeke Yeager...?"
Zeke:" It was the only way I could further my goals without, and I regret doing it. If there were another way to do it, I would have done it."
Y/n:" Just because you regret it doesn't make it better."
I angrily glared at Zeke as my boss discussed the terms of then defeating.
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Third-person P.O.V~
Hange sat in a room working on a project as Y/n entered the room and sat next to her.
Y/n:" How is the new ODM gear coming."
Hange:" Good, but it uses up gas too quickly."
Y/n:" Have you tried switching to a different kind of gas."
Hange:" No, but I plan testing it out with a new gas soon."
Y/n and Hange continued working on their project together as Hange gazed at Y/n, blushing while licking her lips.