Saitou Chiaki
斎藤 千秋
| Saitou Chiaki斎藤 千秋 | |
| Hair | Pink, Shaggy, Shoulder-length, Twin Tails |
| Eyes | Amber |
| Body | Pale, Slim, Teen |
| Clothes | Knee-high Socks, Loafers, Ribbon Hair Tie, Sailor School Uniform, Sport Bloomers, Sports Uniform, Thigh-high Stockings, Wristband |
| Personality | Cheerful, Curious, Tomboy, Watashi |
| Role | High School Student, School Athletic Club Member |
| Engages in | Athletics |
| Visual novels | Main character - Rikujobu ☆ Zukobako Natsu Gasshuku |
| Voiced by | Nanase Koyori |