This is a heartwarming story about all kinds of people taking things back, and also a story about struggle. The protagonist, Kiriyama Rei, lost his family in an accident when he was young, and is a 17-year-old shogi player who carries a heavy burden of loneliness. Living alone in an old town in Tokyo, Kiriyama Rei met the three sisters Akari, Hinata, and Momo, and the young Kiriyama Rei changed because of this...