Some random girl wants to make me her familiar

Onitsuka Makoto is your usual delinquent teenager. He has a loving easygoing family, a group of faithful friends, and a possibility to throw punches at members of rival gangs. Nothing other than his grades at school could ruin his cozy life. That is until a strange girl crosses paths with him and demands him to become her... Familiar!?

[Present-Day - Teenage Love]