he is a port mafia executiveand he has the power/ability (upon the tainted sorrow/gravity manipulation) he was sent to investigate a mystyrous women who lived somewhere near yokahama but he never would have guessed that the women ge is looking for the godess of life and death

You are a new executive at the port mafia and the first mission was to get some documents and fight if needed to whit Chuuya as your partner for this mission you continue (also you can have any name you want and be male, female and non binary and chose your power/ability have fun)