Matsuoka Nagisa
松岡 渚
| Matsuoka Nagisa松岡 渚 | |
| Measurements | Height: 155cm, Weight: 42kg, Bust-Waist-Hips: 78-53-83cm |
| Hair | Blond, Curtained, Long, Parted to Side, Side Tail, Spiky Bangs |
| Eyes | Red, Tareme |
| Body | Pale, Slim, Teen |
| Clothes | Collar, Miniskirt, Ribbon Hair Tie, Ribbon Tie, School Uniform |
| Role | Non-blood-related Sister, Student, Younger Sister |
| Subject of | Enchainment |
| Visual novels | Main character - Tsumi to Batsu |
| Voiced by | Sakura Reona |