
A brief visual novel launched on the Sega Dreamcast in 2004, created by Japanese developer Takuyo.
Ouse Satsuki, a second-year student at Sakurazono Gakuen, one day receives a mysterious message on his cell phone from an unknown sender. The sender's address belongs to a student on campus, yet no one by that name exists in the school. Could the sender be a member of the student council, or is it someone else entirely?
| PC | March 26, 2004 |
| DC | April 28, 2004 |
| PS2 | December 30, 2004 |