Daddy Kink (Xiuhan fanfiction 18+)

Xiumin didn't know when it started but he's been having a sexual relationship with the school's number one jock, Luhan. At school Luhan's the number one jock with girls all over him and is one of the most popular kids in let alone the whole school, but in bed, Luhan's a huge sadistic person. Luhan has been having this...