A series of bondage stories.

1. Koushuu Benjo (公衆便所, Public Toilet):
This ordinary school happens to come equipped with its very own "public toilet" system, in which the male population can enjoy intense sexual pleasure.

2. Houshi no Oshigoto (ホーシのお仕事, Work of the Service)
3. Saki (咲); COMIC MUJIN 2009-03
4-5. Wakaba (若葉)
6. Tokubestu Jugyou (特別授業, A Special Class)
7. Yami Takkyuu-bu (闇卓球部, Dark Ping Pong Club); COMIC MUJIN 2008-07
8. Shoujo Tousaku (少女倒錯, A Perverted Maiden)