Koizumi Mayu
古泉 繭
| Koizumi Mayu古泉 繭 | |
| Hair | Long, Ponytail, Violet, White |
| Eyes | Garnet |
| Body | Teen |
| Clothes | New Type School Swimsuit, Ribbon Hair Tie, Sailor School Uniform, School Uniform, Sport Bloomers, Sundress, Thigh-high Stockings, Yukata |
| Items | Camera |
| Role | High School Student, Senpai |
| Visual novels | Main character - Hidamari Basket |
| Voiced by | Sakura Hazuki |
DescriptionShe’s the mysterious dorm leader who supposedly reads people’s minds. 3rd year. She doesn’t like people very much but she likes Shouko an awful lot. Feeds stray cats that comes to the dorm’s back yard. Also very mischievous. Loves fries. | |