Roommate's Dangerous Mischief: Man and Woman and Woman…

Original title: ルームメイトの危険な悪戯 男と女と女…

Directed by Yūji Tajiri

Yuko, Takahiro and Manami share a room, under the rule that they will not get into romantic relationships with each other. The three agreed, but Manami came out as a lesbian. During the welcome party, Yuko gets drunk and gives in to Manami's advances...