[Machine Translation] Asahikawa, just before Christmas. Shotaro's friend Yuriko is invited by her homeroom teacher, Isozaki, to the villa of Roseko, whom Sakurako has befriended. However, the villa, which used to belong to a famous painter, contains a beautiful but eerie painting of a butterfly and hides a horrifying secret. Meanwhile, Yuriko's friend Ranka meets Yamaji, a former police officer. He tells her that he has found the murderer of Sakurako's brother. He also claims that "ghosts" are controlling Shotaro and making him take revenge on Sakurako.... What will be the fateful choice between the two?