Based on a game by Black Rainbow and C:drive.

A public foot, railroad. This railroad inside of car supporting the life of people often becomes the closedown space without the refuge. A person to chase and the person who are chased. When it was cut off art to fight against, but their despair turns into pleasure before long...

To the core of a license of the impudence and furious Sawanaga Taichi, Takako finally approaches...! But... Homura and Aoi already loses reason, and its producing a new victim. Ishizaki Otome. It is the name of new game.