Ousama Game (王様ゲーム; King Game) is a horror movie based on the Kanazawa Nobuaki novel of the same name, starring Berryz Koubou and ℃-ute. The ending theme was "Amazuppai Haru ni Sakura Saku" by BeriKyuu.
The film was released theatrically on December 17, 2011, and a DVD was released on June 6, 2012.
On October 19, a class of 32 students receive a message from a mysterious sender called "King" at midnight, giving them a set of rules and an order. Honda Chiemi and her childhood friend Kanazawa Nobuaki, received a message from King, and it makes orders to them about their classmates, first they did it for fun but then the rules became more horrible and the classmates started to disappear.
- From Berryz Koubou
- Shimizu Saki as Matsumoto Masami (松本雅美)
- Tsugunaga Momoko as Imoto Yuko (井本祐子)
- Tokunaga Chinami as Kamoshita Akemi (鴨下明美)
- Sudo Maasa as Shimizu Tomoko (清水智子)
- Natsuyaki Miyabi as Miyazaki Emi (宮崎絵美)
- Kumai Yurina as Honda Chiemi (本多智恵美) (Lead role)
- Sugaya Risako as Shirokawa Mami (城川真美)
- From ℃-ute
- Yajima Maimi as Hanemura Reiko (羽村玲子)
- Nakajima Saki as Ueda Kana (上田佳奈)
- Suzuki Airi as Iwamura Ria (岩村莉愛) (Lead role)
- Okai Chisato as Maruoka Kaori (丸岡香織)
- Hagiwara Mai as Kanazawa Miharu (金沢美晴)
- Sakurada Dori as Kanazawa Nobuaki (金沢伸明) (Lead role)
- Sato Hisanori as Hashimoto Naoya (橋本直也)
- Mori Saki as Ishii Satomi (石井里美)
- Tanaka Miharu as Nakao Minako (中尾美奈子)
- Hosoda Yoshihiko as Nogami Yousuke (野上陽介)
- Tomiura Satoshi as Yahiro Shouta (八尋翔太)
- Sasaki Mugiho as Ono Mei (大野明)
- Satō Ayumu as Toyota Hideki (豊田秀樹)
- Ōwada Kensuke as Mizuuchi Yuusuke (水内祐輔)
- Yoshizawa Hitomi as Nagamine Youko (永峰洋子)
- Former Morning Musume member Yoshizawa Hitomi plays the teacher of the classroom
- Up Up Girls (Kakko Kari)'s Mori Saki appears in the movie as an extra.