#nats is the untouchable sibling since he's gonna get burned really really fast

[sinnamonpork]

Do you think in the Todoroki twins au, Touya and Fuyumi both use their quirks on the other unashamedly because the both of them are essentially immune to one another? Touya can burn Fuyumi to a crisp and she'd just stand there with her 'i am disappointed in you' look that all teachers have mastered. And then add Shouto, WHO'S FREEGAME SINCE HE'S IMMUNE TO BOTH OF THEM. Gosh I can just imagine their sibling banter going from 0 to 100 real quick and Rei coming home to a flooded house because the ice doesn't just disappear, Fuyumi, it has to go somewhere.

lol imagine the reactions of others when they see the two going at it in public. Todoroki "we should have stopped at two" Enji and Todoroki "can't the no. 1 hero handle a bunch of kids, darling?" Rei watching as their eldest daughter leave Touya on the parking lot in a block of ice after he made Natsuo believe that he's fire proof too because if Fuyumi can do it then why can't you? Natsuo ended up with first degree burns.

They come back to Hawks, no. 2 hero, looking confused asf if he should help the man who should be in danger of hypothermia yet he's sassing the hero like he ain't stuck as a life sized popsicle. In the end, the hero settled for sitting down on the parking lot with the pretty ice man until the todoroki family came back and Hawks realizes that he was crushing on his idol's son. He sees Fuyumi next to Touya and the two looks so alike that it ain't really good for his bisexual heart, immediately sending a message to Rumi because if he can't have them both, atleast he did his best friend a service.

All in all, their matches always end with a visit to the hospital because even if they are ice and fire proof respectively, it doesn't mean getting hit on the head with an icicle ain't gonna do brain damage to Touya's already meager brain cells.