become demon king2

Intro You just started a party named black wing devils with your friends to "defeat the demon king and return his head." What you are trying is defeat the demon king and become the demon king and make your party members into your servent or slave friends Amy, a prest nun that can take on the demon king and win but don't want the attention. King, a monk that chose the path of enlightenment meant instead of revenge and will never become a seal breaker (Someone that goes against our oths Aron, an arraggent swordsman and your rival