Detective into aot /Detective Conan x Aot crossover/ Conan as Eren

Not just a normal day

Sry for the possible mistakes of grammar, etc. Remember that this is my version of Detective Conan and in this world Heiji and Conan are closer (not in a romantic way) and Heiji is a little more sentimental. Hope u like it and please don't leave hate :3

Third person POV (Cause its easier :) )

Heiji and Conan were walking down the street talking about random things, it was late at night so anybody was walking there, only the two of them. All of a sudden, everything went silent and instinctively they got their guard up, looking carefully when a portal appeared behind Heiji, sucking him in but just when he had fully entered it Conan grabbed his hand and pulled him out and then fell into it instead just for it to be closed a moment later. Heiji stood there, frozen, shock clear on his face but then shook his head and thought 'there has to be a logical explanation for this....right?' he looked for everything, if the floor was hollow or any type of clue that could lead him to understand what just happened. He hold a tear in and, seeing there was nothing, he began running to Agasa's house still processing what just happened. When he arrived he knocked the door, panting. When Genta opened the door he entered running 

"Oh hi Hattori! I thought you were with Cona-" Agasa was cut off by Heiji

"Something has happened!" he said, still getting air and then continued "Its about Ku- I mean Conan!" he said, gaining confused faces from everyone but Haibara, that understood that something was going VERY wrong

"What do you me-" he was cut off again by Haibara

"Come, Hattori and Agasa, we're going downstairs to talk about this..issue" Haibara closed her book and started walking downstairs making a sign with the head for them to follow her then looked at the Junior Detective league who looked at them inquisitivetly

"Don't follow us" and then she added "Could you three look out for the meat? We'll be right back" and then went down the stairs leaving the trio with confused faces

Haibara guided them into the 'lab' she and the Doctor used and shut the door behind them, then looked directly at Heiji

"What happened to Kudo?" she asked

"I- fuck" Heiji stared at the ceiling trying to somehow explain

"Okay so..me and Kudo were walking, okay? So what happened is that a kind of portal appeared and I was about to get suck-" Haibara cutted him at the half of the sentence (Yes they love cutting off sentences from each other)

"Did you just say PORTAL"

"YES, I just said portal, I know there must be a logical reason but I couldn't find anything...anyways! the point is that I was going to fall in but.." he got air

"What happened?" Agasa asked, Haibara looked down, her hair hiding her face, she already knew the answer

"That idiot got me and exchanged himself from me and...fell into it" he said trying not to stutter 

Agasa covered his mouth in sudden realization and a tense silence filled the room. Slowly, Haibara got up and handed a hand to Heiji

"We should go up, the kids are probably waiting for us, we're gonna go investigate later, okay?" Haibara looked at Heiji who, after looking at the hand, got it and stood up and went walking to the door. What they didn't know was that, behind that door there were people listening at the conversation..

-10min in the past-

Genta, Ayumi and Mitsuhiko were watching as Ai, the professor and that friend from Conan went down the stairs, suddenly Genta said

"Why does Ai always have to hide things from us? Its not fair!" he huffed, his arms closed

"Yes, we are the Junior Detective League! We can't keep secrets from one another!" Mitsuhiko said, agreeing

"But.. they mentioned Conan, has something happened to him? The man seemed scared..." (Heiji) Ayumi said, worriedly 

"Yes, that's strange.. maybe he got a cold? I don't know.." Mitsuhiko responded getting his hand to his chin

"There's only one way to know! Let's go spy on them!" Genta said, jumping up to his feet

"But..." Ayumi said doubtfully 

"Do you want to know what happened to Conan or not?" Mitsuhiko asked her

"Yes.. okay I'll come with you two but just for Conan's sake" she finally said

They walked as quietly as they could to the door of the lab were they could hear faint voices

-"portal...appeared...logical reason...I...going to fall in....idiot...exchanged...fell" that's all they heard, but was more than enough 

"Conan.." Ayumi muttered

They were so inverted in their thoughts that didn't hear the door open until thy were facing them and quickly tried to make an excuse

"well..umm.. we went here and.." Genta said nervously 

"What did you hear." Haibara said, coldly

"We only heard something about some idiot, portal and nothing more" Mitsuhiko lied

"Wait that's not tr-" Genta tried to say but Mitsuhiko covered his mouth before he could spill more information

"Anyways.. has something happened to Conan? Is he okay??" Ayumi asked nervous 

"Yes..he's okay, don't worry, he just.. went to Mouri's house" Heiji said, smiling forcefully

"Oh, okay.."she said, a little hope in her eyes

They suddenly smelled something burned.. 'The meat!!' they ran to the kitchen, Heiji following them, in his head running all type of possibilities of how did that happen, he just didn't know what on Earth happened, he let out a sight of frustration and clenched his fists 'please be alive, Kudo'

Meanwhile with Conan...

He woke up with someone shacking him gently awake and he opened his eyes, blinking to the sudden light he felt against his face. The first thing he saw was that his mom there, but looked a lot younger, as she was in her 20's or early 30's. He sat down on the bed, his head pouncing, and looked around, where was he? He then looked to see his mother taking out clothes from the closet and handing them to him 

"Mom...where am I?? Why do you look so young? And were is the portal?" she looked at him confused

"Your at home sweetie, at your room, you probably had a nightmare about that portal thing young man" she decided to not talk about the 'young thing'

Conan was very confused, was she acting? Maybe but it didn't seem so, even if she was a very good actor he could see that what she said was indeed true so, why the hell was he there, he lived in Japan, Tokyo, not there! He then looked around seeing everything so.. antiqued and frowned, it couldn't be.. could it?

"Umm, mom.. in what year are we? And in what day?" he asked fearful for the answer

"You're more disorganized than I thought, its 25 of July, year 841" she said meanwhile getting dirty cloth from his room to wash

Conan suddenly froze. He went back in time?? That was impossible! How, what? Lots of thoughts intruded his mind when his mom got his shoulder making him come back from his thoughts

"Are you okay? Do you have a headache or something? Your acting very strange" she said, concern clear on her voice

"No, no, don't worry mom, Im okay" he said trying to fight the nerves that filled up his stomach

"Okay..if you need anything I'll be in the kitchen, change and come eat breakfast, okay?" she didn't truly believe him but didn't question

"Okay" Conan said seeing his mom walk out the room

'What the hell is happening here' he thought

1259 words :D Its pretty good in my opinion uwu. Hope u enjoyed and have a good day! :)