A group of schoolmates decide to play a game that transports their souls to a room where they may find a missing thumb. Whoever finds it would have his wish granted. Takeshi is transported to a room where he scrambles about in search of the missing thumb. However, he hears Yumiko's screams from another room. As he tries to find her, someone taps him on the shoulder. Thereafter, Yumiko disappears. Years later, they play the same game in search of Yumiko, but one by one they disappear.