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 younger, softball ace and one of the most beau

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 want to cover their eyes. The secret of the girl