He was neglected by his father and was seen as a failure knowing what his parents did in the end and how he was turned out to be born he still trained behind his father's back but was still torn between his goal enough to want to kill shoto. He doesn't have much trust twords his family and won't stop until enji looks at him and accepts he can be a hero too he also burns himself a bit when he uses his quirk. And he was jealous of his siblings mostly shoto and he didn't like the woman in his fam