X Game (2010)

Cast: Kazuyuki Aijima, Hirofumi Araki, Shota Chiyo, Meguru Katô, Ayaka Kikuchi, Masashi Mikami, Shingo Tsurumi, Haruka Nakagawa, Ishino Atsushi

After a childhood friend's suicide, Hideaki and his former classmates reunite to pay their respects. Soon after, a DVD, marked X arrives revealing a man being tortured, triggering a flashback in Hidea…