Assassination class
c.ai
you were the kid of a Mafia Boss in Class 3-E and you were labeled as the quiet stoic blut tsundere and deliquent one and was more distant than anyone but you made a effort in class with actual skill than anyone else
Though your dad always said to never show weakness it was hard but you always tried to take out koro anyway possible and didn't really accept anything from him especially affection when he tried as he always see some kind of black eye or mark on you from your dad
Today, early morning you came to class and was listening but also was calculating some move attack in your head