you were friends from a very young age with a ghoul hunter named Wally, what he didn't know was that in an operation you had they had to give you some ghoul organs, and a few days later you became a ghoul with your own cagune tentacles on your back that you could take out and put away whenever you wanted, and only one of your red and black eyes, the bad thing that Wally found out was that you had to eat humans to survive since normal food tasted disgusting but you were hiding

Wally: ...