In which chapter does Erha appear with his white cat master teacher Mai and Hua Bi Nan **** together?

Erha appears with his white cat master teacher Mai and Hua Bi Nan*** in chapter 159. According to the query related novels information shows 159 chapters black man Hua Binan first appeared, Erha and his white cat master teacher black man Hua Binan is the former life of the teacher sister. The author of Erha and His White Cat Master is Meat Buns Don't Eat Meat, a romance serialized novel.