Koibito Kijunchi

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)