Chisato Komori  

, 小森 千里

This individual was born on April 19th, making them currently 18 years old. They are classified as Blood Type A, which is associated with a youthful appearance. This person is well-known among their classmates for being playful and childish. It has been revealed that they harbor strong dislike towards Yuri and have plans to engage in sexual activity with Tatsuhiko during the upcoming school trip. However, these plans were thwarted when Emiru overheard them and intervened at an appropriate moment.