Mikumo Serika
三雲 芹香
| Mikumo Serika三雲 芹香 | |
| Measurements | Bust-Waist-Hips: 84-??-??cm |
| Hair | Brown, Ponytail, Waist Length+ |
| Eyes | Garnet |
| Clothes | Crop Top, Decorative Belt, Miniskirt |
| Role | Full Sister, Office Lady, Older Sister |
| Engages in | Drinking |
| Visual novels | Natsunone -Overture- > Side character - r546:Natsunone: Overture Side character - Natsunone -Ring- |
| Voiced by | Hokuto Minami |