A group of university students who belong to the same tennis club, Shino Yuta, Sakurada Miki, Sasaki Rinka, Takano Natsu, Fueki Mana, Tachibana Satsuki and Sakurada Wataru, go on a graduation trip to a cottage in the mountains in winter.

Cast:Koji Seto, Anna Ishibashi, Reina Triendl, Ryo Yoshizawa, Fujiko Kojima, Ayaka Miyoshi,

Genre:Mystery,

country:Japan,

Production:Kyodo Television, Fuji Television Network,