Mahoraga Deku (Nah he'd adapt)

Chapter 3: Mid cycle

1 year
Izuku Midoriya has been in the hands of All for One for a whole year. In that time the boy turned five years old and had changed a lot.
He no longer cried, because he adapted to pain.
He no longer screamed because he adapted to pain.
He no longer resisted because he was helpless.
He physically grew more than he should have, his height made him look 6 and his hopeless expression could make you think he was a 20 year old without a care to give.

He was hopeless. He somehow always knew how many days had gone by since his parents let him go. He knew about every second he spent here. But what could he do?

What could he accomplish? Why can't he get up? Why can't I smile? Why did mom and dad give me to these bad people. Why?
"I just want to go home... huh?" He looked up at the door which was being opened. "Oh..." The surprise in his expression abandoned and now he was being taken to the lab once again. Just not by All for One as he came to know the man. Rather, he was being taken by a Nomu, some freak of nature he came to know through the experiments. He had learned how they were made, people whose bodies were given too many quirks, causing them to go braindead.
Izuku always feared that he would become a Nomu. In fact He was sure he nearly did one time, on his fifth birthday.

"Why are you people always doing these mean things?" Izuku tried to struggle in vain, the metal cuffs were doing a good job keeping him down.

"Now now, keep it still child." All for one insisted. "Doctor, shall we commence the stress test?"

"Green light All for One." Garaki responded "I wonder if he'll end up like that first creation."

"Well let's this going then." All for One placed his hand on Izuku and in just a second transferred as many quirks as he could, something he had to do in a short span of time to slow down Izuku's adaptation to All for One because even with suppressing drugs the boy's quirk was starting to get stronger. Armblade, Super Muscle Density, Regeneration, Shock absorption,... so on until 15 quirks had been transferred in just one second. "There we go."

A pause, followed by screams of agony. "AUUUUUGH" Izuku was straining against the cuffs as his body was overloaded with 15 more quirks.
Usually if one had an emitter or transformation quirk, they could control it. But given several forced onto you, they would go on their own accord.
The metal cuffs on Izuku's arms soon broke as blades came from his forearms and past his hands. The little muscle available on the now 5-year-old's body shrunk as the muscle density started to take effect. Other quirks and their effects soon began to pile up until the quirks started to malfunction. 
Muscles started to expand and burst, the remaining metal cuffs were torn in the process. Izuku fell onto the ground and was writhing in pain. The pain of his flesh expanding and exploding was probably the worst thing he could feel. The agony of stretching and growing, and the fiery sting of his muscle and flesh bursting outward.

Hell, that's what Izuku would call this.

Third turn

He woke up, after the echo of a turn called him to wake up. How many turns has it been?

"That's the third one doctor" All for One says.

"You kept your hand on him a bit too long old friend." Garaki responds

"I encountered an issue, some quirks didn't want to exit the boy." All for One was quite intrigued with what was happening, first quirks are transformed if put through the boy and now some won't come out.

"Wait really? Let me check the quirk factor," Garaki turned to his computer, starting to type "Which quirks could you not retrieve?"

"Armblade, Singular Cellular Life, and Regeneration, what might that have to do with the quirk rejections?" All for One was curious in what they could discover.

After a bit, Doctor Garaki had a display of Izuku's quirk factor, it was different. "This is interesting... His quirk factor changed formation, I see three new additions."

"So his body absorbed those quirks? I wonder why."

That was 2 months ago. Izuku was experimented on more intensely than before in these two months after that event on his birthday. The quirks he gained weren't available though. From what Izuku picked up, he had intense quirk suppressants which only his adaption could somewhat overcome. All Izuku could do was wait, either until he died or until he was let go. He was tired.

The Fourth turn.

"If it keeps going like this Garaki, we might have to give him up sooner."