Asanaga Mana

A huge breasted blonde beauty, a quarter European on her grandmother's side. Trusted by her seniors and adored by her underclass mates she is a cheerful and energetic ojou-sama with excellent grades who also excels at sports, and as the student council president she is very tolerant when it comes to public morals and disorder.

However, due to her father's remarriage after her mother's death, she has an outspoken opposition to men, this makes her very hostile to the protagonist who is the only male and a teacher at the school.
She use to have a lesbian relationship with her senior, Natsuki, that she still thinks about.