Izuku's always been strange. He had been one of 5 males in his school and his goals to be a hero hadn't made him popular.
His other strange qualities were his near animalistic tendency compared to his high intelligence.
His animalistic tendency slowly faded but a few stuck around. His smell obsession.
Inko had fallen asleep on the couch and she had woken up to her 4 year old curled up on her butt like a cat.
Inko tried to wake him up but he wouldn't budge. Inko had to use the bathroom and looked around. 'Maybe a small-'
*Fart*
A blast of air erupted out her behind and straight up his nose. The boys nose reacted faster than his ears and he had inhaled the entirety of it before the sound shocked him awake.
He fell off the couch and yelped.
"Sorry sweetie." Inko said.
Izuku was confused about what just happened and Inko neglected to tell him.
This was the first time she had unknowingly turned her son on the path of something gross and glorious.
Over the next two years Inko had repeatedly found Izuku sleeping on her big butt and woke him up the same way.
The first time he started smelling them while he was awake was when he turned 6. Inko had accidentally grabbed the wrong milk for her coffee that morning. She had nearly turned the house into a chemical hazard zone.
Her quirk had been able to collect the Particles from the air and soon a large ball of gas was floating in the living room. Izuku had just been given his birthday gift when he saw the ball.
"No sweetie that's-" Inko tried to stop him but it was too late.
The entire thing was in his lungs and he was following the scent.
Inko released another when she had lost focus from witnessing...that.
Izuku's face had pressed into the seat of her underwear. They were from an old superhero from when she was a kid that she couldn't remember but the set was on-sale.
"Sweetie get away from there. It's dirty." Inko said.
"But it smells good." Izuku said.
"I guess I can give you one more." Inko said "Get ready."
She hadn't even smelt it. Inko had actually felt better and decided to give her son a few more.
When she got done she had let out a sigh of relief. "Thank you sweetie. Mommy was feeling a little stressed."
There sessions had happened frequently until the day Izuku turned 14.
The day she died.
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Shrinking Hero: Deku (Fart FETISH)
FanfictionIzuku is determined to be a hero. Even if he must try alternatives methods. Antman Izuku. Izuku shrink powers. Lack of Male Quirk Users. Izuku not quite completely human. Farting and other stuff