Mama-tachi no Kyouiku-teki Ochi〇po Shidou

This volume includes the following chapters: 1. Ura PTA: Mama-tachi no Oshibori Sex Daisakusen (裏PTA「ママ達のお搾りセックス大作戦」); Comic Mugen Tensei 2020-06 2. Ura PTA: Lucy Sensei no Koumon Chiramoderu Suiei-gumi (裏PTA「ルーシー先生の肛門チラ見え水泳レッスン」); Comic Mugen Tensei 2021-05 3. Ura PTA: Kayoko Sensei no Potteri Kuch