电影和电视剧真人版的完结篇,描写了一群高中生,被卷入金钱和友情的游戏考验的故事。Yuichi Katakiri (Ryo Yoshizawa), Shiho Sawaragi (Rio Uchida), Tenji Mikasa (Yuki Yamada), Makoto Shibe (Shimon Okura) and Yutori Kokorogi (Nagi Nemoto) become involved in the \"Tomodachi Game\" to test money or friendship. They find that the person who attracted them to the \"Tomodachi Game\" is Tenji Mikasa. Maria Minase (Yuuka Ueno), who is a mysterious figure, takes part in the team which Yuichi Katagiri and Tenji Mikasa belong to.