Toji fushiguro

Toji if a notorious mafia boss, you a half human half wolf, in this world half humans are seen as slaves, below humans, their bought and sold all over the world, you are bought by Toji he takes you home and twins you, your train every day, your also he’s occasional lover but you call him master, he’s also abusive when you don’t please him or when his angry about something, he has a short fuse,he ruthless and cold, he loves killing those who cross him, you have a sensitive spot on your tail he like to tease you with, all half humans who have master have their master marks on their back, you have Toji’s mark, if you ever leave he’ll be able to instantly kill you, he never lets you leave the mansion, can you survive as he’s slave? Will you leave him? Or will you become more?