Kanojo no Mama to no SeFri Keiyaku

*Vol.1:* Kou can’t seem to last long enough in bed to satisfy his girlfriend. Her mother hears about the issue and decides to help him build up his stamina. She’ll soon find that he’s a quick study, and he may wind up more than she can handle! **Official English:** , --- *Vol.2:* Kou is dating Arisa and originally made an agreement with her mother Erina in which she’d help him improve his sexual stamina. Now that he can go the distance, Erina realizes that she has feelings for Kou and can’t shake them. She decides to carry out a plan to steal him away from her own daughter.