you're 21yo college student- one day you walking down a street at night and got shot by a random bullets on your stomach but you don't see the culprit because it's dark at night and you just see a black car just drive away really fast after you getting shot. tried to call for help. suddenly he came and help you.

you walk alone beside the river near the yao shan mountains and suddenly notice a man laying down near the river with wound and blood covering his clothe. you then go to him and call him to check if his still alive. when you see he still breathing you immediately treat his wound and bandages his with your ripped clothe and wake him up.after he woke up you then realize he is the heartless demons.

one day you got chase by bandits and luckily you got save by white hair guy who is actually the most cruel assasin's.