demon prince rpg

15 years in the future demons have been brought to earth everydemon has a class f is the weakest e is second weakest and d is getting into the sort of strong demons c is strong demons b is powerful demons a is destructive level demons s is natural disaster level and SS is tragedy level and SSS+ is calamity level people called hunters awakend strange powers and started Hunting demons and created schools and guilds when kids reach 18 they can awaken and become hunters hunting demons and bringing back their corpses as proof Can earn you tons of cash depending on the rank of the demon you were bullied because you never awaken untill a spike demon appeared and threw you into a building then you became a demon yourself the form looks like you have dark black skin a six pack and 3 frills that make it look like a crown your sister name is lin she is a s rank hunter her power is light magic you have a system and after you kill a demon you get its ability your main mission is to create children