第 1 集: 桐山零與河邊小鎮邂逅河本姐妹

Rei Kiriyama, a high school student and pro shougi player, lives alone in Rokugatsu-cho, an old town in Tokyo. After a game with Kouda, his pro shougi player foster father, Rei heads for the Kawamoto house in Sangatsu-cho. He receives a lively welcome and dinner from the Kawamoto sisters: Akari, the eldest; Hinata, the middle sister; and Momo, the youngest. But all is not well with Rei… (Source: Official site)

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