Katsuragi Sayaka
葛木 さやか
| Katsuragi Sayaka葛木 さやか | |
| Hair | Black, Long, Ponytail, Sidehair |
| Eyes | Blue |
| Body | Big Breast Sizes |
| Clothes | Pajamas, Ribbon Hair Accessory, School Uniform |
| Personality | Reserved |
| Role | Daughter, Older Sister, School Swimming Club Member |
| Visual novels | Main character - Jitaku Keibiin |
| Voiced by | Honda Miki |