The official website for the live-action film of Minami Mizuno’s Rainbow Days as Natsuki Hashiba, Taishi Nakagawa as Tomoya Matsunaga, Ryūsei Yokohama as Keiichi Katakura, and Mahiro Takasugi as Tsuyoshi Naoe.
Rainbow Days centers on a group of four male high school students who are close friends: Natsuki, Tomoya, Keiichi, and Tsuyoshi.
Natsuki has an unrequited crush on Anna, a girl from another class, and his friends keep meddling in their relationship.
Ken Iizuka (live-action Arakawa Under the Bridge) is directing the film and Rika Nezu (Saint Young Men) is writing the screenplay.