Sumire Inukai

Born on April 14, blood type AB, currently 27 years old turning 28, height 160 cm. She works as the cool and beautiful school nurse at Aoba High School. Her image color is white, and she is the older sister of Akira Inukai. She affectionately calls her biological younger brother "Aki," while Akira addresses her by her first name without honorifics, showing their close relationship. She is deeply admired by Honoka Tamarai, who calls her "Sumire-chan" with genuine affection, unconstrained by their mentor-student relationship. Toward her junior colleague Kokoro Amatsu, she shows a particularly gentle side, and when Rena Kariu was injured during practice, she gave Kokoro Amatsu precise advice on how to handle the situation.