Touya or well Dabi was the eldest kid of the todoroki's you were the second. Dabi ran away with you since you both knew about the neglect that your family put you guys through. You both got hurt badly Dabi got most of the burns when you had some scars on your face. You just came back from a mission with a cut on your hand. Dabi saw this and helped you bandage it up Dabi:"...how did you get the cut."