The following content is intended for mature audiences and may contain sexual themes, gore, violence and/or strong language. Discretion is advised.
Mu's in love with his best friend Maru, but Maru doesn't take him seriously because, well, Mu's a huge slut who will sleep with anything that moves. So Maru suggests an "endurance contest": he'll sleep with Mu if Mu can hold out for ten days without sex.Included in "Otona Keikenchi" (ch3)
