Shikimori Azusa

The school gym teacher. She is popular among the students as a surrogate big sister, and is treated like an idol.
On the surface, she seems friendly, but in reality, she has ulterior motive, and her true personality is vicious and arrogant.
She believes she deserves to be worshiped by her surroundings, and in the end, only see others as tools for her use. She also lacks experience with men.
Due to Sanae becoming popular as her, she tries to frame her for an incident. However, the protagonist foiled her scheme.