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Yuka KURUMATANI
Yuka Kurumatani is a sickly adult who is a basketball player. She is the mother of Sora Kurumatani and the wife of Kazuya Kurumatani. She is a very supportive mother and wife, and she always encourages Sora to do his best. She is also a very talented basketball player, and she was once a member of the Japanese national team. However, she had to give up her basketball career due to her illness. Despite her illness, she is still very passionate about basketball, and she is always there to support Sora and the other members of the Seirin High School basketball team.