Natsuki Sayumi
夏木 さゆみ
| Natsuki Sayumi夏木 さゆみAB | |
| Measurements | Height: 156cm, Weight: 42kg |
| Birthday | 2 August |
| Hair | Brown, Long |
| Eyes | Brown |
| Body | Dark, Slim, Teen |
| Clothes | School Uniform |
| Role | High School Student |
| Visual novels | Main character - Natsufuku Chikan Densha -Usugi Shojo no Chijoku Tsuugaku- |
| Voiced by | Fujigaya Hiroko |