Miyagishi Yuuki
宮岸 勇気
| Miyagishi Yuuki宮岸 勇気 | |
| Hair | Blue, Shoulder-length, Straight, V Bangs |
| Eyes | Amber |
| Body | Big Breasts, Pale, Teen |
| Clothes | Ankle Socks, Belt, Miniskirt, Over The Knee Socks, School Uniform, Shimapan, Short Shorts, Slippers, Sport Bloomers, Sports Jersey, T-shirt, Tank Top, Towel, Wristband |
| Personality | Friendly, Jock, Pervert, Tomboy |
| Role | High School Student, Not a Virgin, School Sports Club Member |
| Engages in | Baseball, Martial Arts, Teasing |
| Subject of | Nymphomania |
| Visual novels | Main character - DISCIPLINE -The record of a Crusade- Makes an appearance - Discipline LS |
| Voiced by | Yuki-Lin (Uncredited) |
DescriptionOne of the four girls living in the dorm with Takurou. She is a member of the Karate Club. | |