Rei Kiriyama

The protagonist of the series. A 17 year old 5 dan in Shogi, who became a professional during middle school.

Background
After parents and sister died in a traffic accident, and after that he was taken care of by his father's friend Kōda and became his apprentice in shōgi. After becoming a professional shōgi player and after completing middle school, he became independent of him and decided not to attend high school, due to feeling guilty about his presence negatively affecting his foster family. After feeling a "need" to attend school however, Rei later joined a high school after a one-year delay. He lives in the city of Rokugatsu-chō (June town).