Well, Won't Hamasaki-san and the Others Get Tired of It Sooner or Later?

Imaizumi Brings All the Gyarus to His House – Season 1

The sexual adventures of protagonists no longer occur only in Imaizumin’s small apartment, now the girls also have sex with him inside the school. Because Imaizumin’s mother is coming to visit him, Reina, Yukina and Ruri leave him alone for a few days to receive her, a situation that makes him sad as he feels lonely again.