Natsukawa Saki
夏川 早希
| Natsukawa Saki夏川 早希 | |
| Hair | Red, Short |
| Eyes | Red |
| Clothes | Hoodie, New Type School Swimsuit, School Uniform, Shimapan, Shorts, Sport Bloomers, T-shirt, Tank Top |
| Role | High School Student, School Swimming Club Member |
| Visual novels | Main character - 6 Gatsu no Tenshi |
| Voiced by | Kaneda Mahiru |