After their parent’s remarriage, Hinata and Saya became step-sisters. Eventually they fell in love with each other.

One day while kissing in the school campus a member of Photography club took their indecent photo and started blackmailing them. Now what will become of the Sakuramiya sisters!

A university student Matsubara Ryoji was living alone. But he had uncle near the aparment, and he often went to his house. Because the uncle was busy and often absent, for his wife and daughter, Ryoji was reliable person. On the other hand, Ryoji secretly fell in love with the aunt, Kasumi.

One day, the neighbor houses were robbed while they were absent. The uncle proposed Ryoji would leave the aparment and live together.

Yurina Suzukaze is a young lady teacher who is extremely popular with the male students at the school. But she falls into the trap of her colleague, Sakakura, who has an unusual liking for her, and for half a month, she is confined to a training room in the basement of the school, where she is trained as a meat slave.

Once most students are done with high school, they leave and never come back. However, at 25 years old, Hana Natori finds herself in the role of a student once more at her aunt’s request.

Since Hana’s cousin, Kaho Miyoshi, refuses to go to school, her aunt begs Hana to take Kaho’s place, since the two of them are practically identical. But as luck would have it, she is recognized by Okito Kanie—an old classmate from her days in high school—who is now a teacher! With her cover blown, Hana assumes Kanie will expose her secret. But when he suddenly kisses her, she soon learns he has other ideas.

One day Yuuta comes home to find his childhood friend Akie has returned to his country village. Akie works as a maid in Tokyo and Yuuta begins thinking of her in a whole different light.

A former science teacher receives a mysterious recruitment document, inviting him to a prestigious school. However, this school is not what it seems…

Lewd eyes from all directions… Atsuko has just moved to a town to work as a teacher. She looks forward to her new life there, but what awaits her is… Yes, she gradually gets involved in a storm of sexual assaults planned by the everyone in town…

Murakoshi Shinta appears to be just a doctor at a school, but secretly he has been taking advantage of his position to hypnotize any female student he likes. Now, after putting all of his targets under his control, he begins to turn the unfortunate girls into his sex slaves…