Cheer Boys!! is a Japanese novel written by Ryō Asai, first published on October 5, 2010, by Shueisha. It follows the members of a university's all-male cheerleading squad. The novel is loosely based on the real-life men's cheerleading team "Shockers" from Waseda University. The series was also adapted as a manga by Kenichi Kondō for the Shōnen Jump+ app starting on April 5, 2016. An anime adaptation started airing on July 5, 2016. It is directed by Ai Yoshimura and written by Reiko Yoshida for the studio Brain's Base. A live action film directed by Hiroki Kazama was released on May 10, 2019.