A first-year student at Crimson Field, he's a standout player on the boys' volleyball team and shares a dorm with Nobara and Keisuke. When Nobara attempts to express her feelings for him, he responds that it wouldn't be fair to Satomi Abe. Shortly after, Yuushin and Nobara witness Satomi with another guy; she offers a weak apology to Yuushin. Prompted by Nobara, Yuushin later ends his relationship with Satomi. Both Kanako and Nobara have crushes on him, and Nobara surprisingly reveals this to Kanako just as Yuushin and his volleyball teammates emerge. Initially, he rejects her but eventually confesses his love for Nobara.

kumagai yuushin
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Haibuki Keisuke
Main
A first year at Crimson Field, he is reserved, aloof, and to the point, but not unkind. Considered one of the best players on the boy's volleyball team, and he lives in the same dorm as Nobara. He breaks up with Tomoyo Osaka shortly after Nobara comes to ...
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Kumagai Yuushin
Main
A first year at Crimson Field. Another star player on the boy's volleyball team and lives in the dorm with Nobara and Keisuke. Nobara tries to tell him that she likes him, however, he explains that is unfair to Satomi Abe. Almost immediately after, Yuushi...
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Ousaka Tomoyo
Main
A second year at Crimson Field, Tomoyo was known to be a star volleyball player in junior high until she suffered an injury during a game and was forced to take a break. She resolved that she should no longer play volleyball, despite the fact she is consi...
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Sumiyoshi Nobara
Main
The tomboy heroine of this manga, a first year at Crimson Field. Her favorite thing to do is to play volleyball and even left her family's house because her mother was against her playing. She has had no interest in boys, until she starts developing feeli...








