Ichika Nagisa
一夏 渚
| Ichika Nagisa一夏 渚 | |
| Hair | Brown, Shoulder-length |
| Eyes | Garnet |
| Clothes | Hairpin, Knee-high Socks, Miniskirt, Ribbon Tie, School Uniform, Thigh-high Stockings |
| Role | Classmate, High School Student, Younger Sister |
| Visual novels | Main character - Ubai Gakuen ~Ichizu de Kawaii Shimai ga Shiranu Ma ni Ochiteiku~ |
| Voiced by | Yuzuki Sachi |