The Headmaster of the school. He was the coach of the Volleyball team when <a href="https://myanimelist.net/character/217503/Danko_Kibisawa" rel="nofollow">Kibisawa, Danko</a> was still a student. He proposed the Double jump theory or simply known as the Breast Jump, where a girl uses the momentum of her breasts to either have more airtime or to add vertical to their jump. Back when Danko was still student, they had a relationship. (Source: Chounyuu Gakuen manga & Shichinin no Mama manga)
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The Headmaster of the school. He was the coach of the Volleyball team when <a href="https://myanimelist.net/character/217503/Danko_Kibisawa" rel="nofollow">Kibisawa, Danko</a> was still a student. He proposed the Double jump theory or simply known as the Breast Jump, where a girl uses the momentum of her breasts to either have more airtime or to add vertical to their jump. Back when Danko was still student, they had a relationship. (Source: Chounyuu Gakuen manga & Shichinin no Mama manga)
