Kaidou Mari
海堂 麻理
| Kaidou Mari海堂 麻理 | |
| Hair | Green, Long, Sidehair |
| Eyes | Violet |
| Clothes | Blouse, Garter Belt Stockings, Glasses, Lab Coat, Name Tag, T-shirt, Thigh-high Stockings |
| Visual novels | Main character - Houmon Hanbai ~Otona no Omocha Irimasen ka?~ |
| Voiced by | Kawashima Rino |