Hasebe Yumi
長谷部 悠美
| Hasebe Yumi長谷部 悠美 | |
| Hair | Pink, Shoulder-length |
| Eyes | Teal |
| Body | Big Breasts, Pale, Teen |
| Clothes | Choker, Crop Top, Glasses, Miniskirt |
| Personality | Clumsy |
| Role | High School Student, Kouhai |
| Engages in | Cosplay |
| Visual novels | Main character - Cosplay! Kyonyuu Mahjong |
| Voiced by | Hinata Aoi |