3-gatsu no raion zenpen

Rei Kiriyama (Ryunosuke Kamiki), a 17-year-old professional shogi player, meets three sisters who are his neighbors, Akari Kawamoto, Hinata Kawamoto, and Momo Kawamoto. Rei begins spending time with the Kawamotos, who welcome him into their home and help him grow as a shogi player and as a person. As Rei continues his shogi career, his interactions with the Kawamotos allow him to improve his skills and develop a stronger sense of self.