Kamaitachi no Yoru Advance

Toru, a university student, is invited by his girlfriend Mari to go on a ski trip and stay at the pension "Spool" run by her uncle and his wife Kobayashi in Nagano prefecture. Toru is eager to go on this trip in order to make up for the fact that he and Mari are still friends but not lovers. While the blizzard is still raging, various people stay at the pension, including part-timers Toshio Kubota and Midori Shinozaki, office workers Kanako, Aki and Keiko, the Kansai boss and his wife Kayama, and freelance photographer Yosuke Mikimoto. One of the guests, however, is a yakuza-like man, Ichiro Tanaka, who wears sunglasses and avoids being seen. After dinner, a letter is found in the room of…