Having forgotten his keys, Tamao Hiroi a high-school student, returns home using the back entrance and is surprised to find a stranger in his bed. Soon he realizes this is no stranger but Ran Homura, one year...

There is something a bit twisted inside of the teenage girl Madoka. It comes out one day when she has to deal with a groper on a public train. He may be scarred for life by the time she's finally through with...

Sezaki Airi and Hanamura Hinako. They are from different groups and castes class, but they have a secret that cannot be told to others. After class, in the chemistry lab, they have an affair that makes them...