Koizumi's been having the worst week of her life. She starts having troubles in work, Nobuko and Chiharu have been saying things behind her back, and Otani seems to be avoiding her for a while. If she only knew what was really happening.

COMPLETE! Risa feels unworthy to stand by Otani's side while he has a job and she doesn't. The unexpected occurs when she hits an all-time low after meeting his assistant.

COMPLETE! Risa visits Otani at his University and claims she will give him the best weekend ever! However, like usual, certian unexpected events occur; involving a new rival, a secret drawer, and the Sin Express.