Aikawa Sayuki
藍川 沙雪
| Aikawa Sayuki藍川 沙雪 | |
| Measurements | Height: 148cm, Weight: 39kg, Bust-Waist-Hips: 73-53-75cm, A cup |
| Hair | Brown, Short, Twin Tails, V Bangs |
| Eyes | Tareme, Violet |
| Body | Kid, Pale, Slim |
| Clothes | Cardigan, Miniskirt, Necktie, Ribbon Hair Tie, School Uniform, Slave Collar, Turtleneck Shirt |
| Personality | Reserved, Shy |
| Role | High School Student, Kouhai, School Extraordinary Club Member |
| Visual novels | Main character - Yuuhi no Mukougawa |
| Voiced by | Kusunoki Suzune |