Yumi Mamiya

A skilled massage therapist, this character harbors a deep-seated resentment toward Taro Sado while maintaining a strong affection for Hayama, unaware of his secret cross-dressing habit. Her complex personality includes subtle hints of lesbianism, particularly during intimate moments involving Arashiko and Mio. Navigating complicated feelings and hidden truths, she plays a key role in the series' interpersonal drama through her professional expertise and evolving romantic inclinations.