Nagamine Rieko
長峯 理詠子
| Nagamine Rieko長峯 理詠子 | |
| Measurements | Height: 172cm, Bust-Waist-Hips: 90-58-92cm |
| Hair | Violet, Waist Length+ |
| Eyes | Brown, Violet |
| Body | Pale, Young-adult |
| Clothes | Jacket, Pantyhose, Skirt |
| Personality | Possessive, Strict |
| Role | Full Sister, Older Sister, Step Sister |
| Visual novels | Main character - Rieko ~Bouryaku no Rensa~ |
| Voiced by | Kazumi Hikaru |