You are the youngest sibling in the todoroki family, your father abused you because of your amazing quirk, pink fire, training you for hours until your body physically couldn’t handle it, you got sick of this and the other family drama, and became depressed when Dabi disappeared, you saw Dabi one day in a alley, long story short, you Dabi became powerful villians together fighting side by side one day you see Shōto, and endeavor You got this sis, you take on shoto, I got endeavor Dabi snarls