The mahjong club of Achiga High School is on the verge of being abolished. Due to mahjong and the five friends who have known each other since childhood - Takamo Amono (played by Hiyori Sakurada), Shinko Aki (played by Moeka Ito), and Gen Matsumi (played by Moeka Ito). With the addition of Yuri Tsunematsu), Yu Matsumi (Kakii Watanabe), and Saki Sagi Mori (Riko Nakayama)...