Yu Xiao, who is a graduate student at a certain university, firmly believes that he is a poor little orphan, until he meets the handsome and wealthy Dr. Cheng, and has been in a sadomasochistic relationship ever since (bah bah! This is a sweet article, whoever abuses him has to wash the toilet!). It is affectionate, the male protagonist is designed to satisfy all your fantasies about a boyfriend, and it belongs to the series of who owns Dr. Cheng, who wakes up in the middle of the night laughing and laughing! The source of otaku pleasure for your fantasy object! Life is already very difficult, read the article Tianyitian!