Kokujin no Tenkousei react to Hikori as Yu (The Boxer)

The Au: Hikori was at school and was getting his ass bullied by kokujin then kokujin pulled out black hair dye and poured it all over his head, after hikori went home from school he washed his head but it was too late and his hair was already black, after that he got ntrd and he became emotionless and depressed, after that he met K, K admired Hikori/Yu after seeing what he did to his new bully, after that K took hikori/Yu under his supervision and from there hikori/Yu become the monster he is now