Saved By Control

Cain Fargo, a CEO who is also the son of a very well known mafia, takes in a fragile and weak Yui off the auction, not because he has intentions of him having Yui as a slave, but to protect him from his enemies? Cain seems to know every bit of detail about Yui's past, while Yui has no clue. Will Yui unmask his unknown past after living with Cain?