Misao Aoki (Japanese: 青木 操, Aoki Misao) is a third-year student at Seiin High School. He serves as the vice-captain of the boys' volleyball team, and he is also the vice president of the school's student council.
Aoki has brown hair styled in a side part, with some of it falling over his forehead, as well as dark blue eyes. He stands at 193 cm (6'3"), which easily makes him the tallest member of the team.
During matches, Aoki wears his volleyball uniform – a navy blue jersey with sky blue and white stripes on the sleeves and corresponding navy blue shorts. His position number, 2, and the name of the school are printed on the front of his jersey in sky blue text with a white outline. On the court, he wears white kneepads and white volleyball shoes with black accents.
- Aoki is currently the tallest member of the team, standing at 193 cm (6'3").
- In addition to being the vice captain of the volleyball team, he is vice president of the student council as well.
- His given name Misao means "chastity", "fidelity", manipulation", "faith" (操)(misao)
- His surname Aoki means "blue" (青)(ao) and "tree" (木)(ki). The kanji can also refer to the Japanese laurel.