After the death of his mother Asahi was sent to an orphanage, as time passed he became cuter and cuter causing every woman to pamper him to no end.
Being a teenager of 18 years old inside a baby's body was a kind of torture, and acting like a baby was hard so sometimes he would forget that he was still inside a baby causing a strange scenery in the orphanage.
Have you ever seen a one-year-old baby with a hand below his chin staring at the horizon through the window?
A two-year-old boy capable of reading and writing without anyone teaching him?
This abnormal activities of him alerted everyone in the orphanage and caused him to become famous because of his early intellect. While a lot of people wanted to take him in their family they were soon rejected by him, because he deemed the need of a family unnecessary.
As soon as he reached four-year-old he was sent to the doctor in order to check if he possessed a quirk.
It was seen by the doctor that the baby did indeed possess a quirk, but when they asked Asahi if he could show it to them he calmly answered them that his quirk needed training. Not having any means to get to see it, they soon stopped asking.
And so he began his boring school days. The work at school wasn't that hard, while One Punch Man's bloodline is something related to the body, but it also affects the brain, causing it to be more reactive, and granted him a better memory and intelligence, which should be needed during fights to analyze a better outcome or strategy.
...
And so he passed his years in school calmly.
From a four-year-old cute boy, he became a twelve-year-old handsome boy, with his golden eyes and long black hair, every person of the opposite sex that he met would take a second look with a look full of reluctance at the idea of not seeing him again.
And this was also the time he began his training, a training in order to break his limit. In the anime, Saitama trained for three years to attain his strength, he had three years until he joins U.A. High School.
The way he trained was the same as Saitama, "100 pumps! 100 abs! 100 squats! And finally 10 kilometers of races! Every day! And of course, be careful about eating three meals a day. Just a banana in the morning is good."
The more he trained the stronger his body became, after two years of training he began to feel the existence of a wall in his body filled with crack and along with his training the gap in it became wider.
And finally in my third year of training the wall that was present in my body disappeared. It was as if a dam that was holding a river suddenly exploded and the river it was holding was released.
An enormous power spread toward every inch of my body, while the power was immense, Asahi could only control five percent of its entirety.
But is 5% of a power that is able to destroy a mountain with a casual flick of his finger weak? No, it is evident.
...
In a classroom, a teacher was talking to his students. Some of them had animals body parts, other had an additional member, while some didn't have any quirk.
"This is the last day of school, for some of you, this will be the beginning of your work life, while others will join the hero branch in high school." said the teacher while looking at his students, seeing their serious expression he kept talking with a proud expression. "And maybe some of you will have the chance to get enlisted to U.A. and become a famous hero like All Might!"
As he was about to leave the classroom, the teacher seems to have remembered something and look toward a corner in the classroom, there, a handsome boy was sitting with his eyes closed, he began to talk toward the boy with a cheeky grin.
"Asahi is going to go to U.A. so study and train harder girls."
After a period of silence everyone in the room began to look toward Asahi, no matter if it was the girls that were looking at him with a sad and gazes full of hidden bitterness or the boys with their gazes full of jealousy and respect, and some even of love?
'What the?' Asahi began to have goosebumps on his skin and decided to leave earlier.
....
Walking home he saw a boy who has round green eyes, messy, dark green hair with black shadows and four symmetrical freckles underneath both cheeks walking down the street while passing underneath a bridge.
Not thinking too much he followed as his house was in this direction.
Suddenly in front of him, an enormous green slime with red pupils appeared and began to attack the boy with dark green hair
Dashing toward the boy, as he was about to save him a voice full of heroism was heard as a muscular men came from the sky and stopped in front of the end of the road.
"Do not be afraid, my boy!" he said while standing up after his fall "The cavalry is here!"
The slime seemed to be afraid of this golden-haired, muscular men as he began to scream madly."Nooooo!" lashing at the men with his tentacle.
Without difficulty, he dodged, stooping, dodging all the incoming attack, he began to dash toward the slime, two meters after he punched in front of him in the air. "SMAAAASH!"
The wind began to slash toward the slime as he murmured in a daze. "The air pressure..." Exploding the slime release the boy that was in him. The boy opened his eyes, seeing this figure he began to call it. "All Might..."
It was at this moment that Asahi arrived on the scene, accompanying his figure a gust of wind began to throw itself at All Might carrying a pressure rivaling the one he threw toward the slime earlier making him seriously gaze at Asahi.
'This student has a really strong quirk. He would make a good hero.' thought All Might.
'So this person is Izuku Midoriya, and this should be All Might, the strongest hero?' thought Asahi as he began to assess All Might with his gaze. The two of them were gazing into each other gaze when All Might was going to open his mouth and spoke, an excited voice interrupted him.
"Can you sign me an autograph?"
"Wait for a second, boy.." as he was about to speak to Asahi he realized that he was long gone he was about to talk toward Midoriya when a faint voice reached his ear making him smile.
"You are All Might? I am Asahi Yoake, I will be in your care this year in U.A. High School."