Keikoku Natsuhi
螢刻 夏日
| Keikoku Natsuhi螢刻 夏日 | |
| Hair | Ahoge, Black, Parted in Middle, Straight, Waist Length+ |
| Eyes | Red |
| Clothes | Thigh-high Stockings |
| Role | High School Student, Senpai |
| Engages in (Sexual) | Not Sexually Involved |
| Visual novels | Side character - Ren'ai Kyoushitsu |
| Voiced by | Tsukimori Nene |