Koiwai Ryouta
小岩井 リョータ
| Koiwai Ryouta小岩井 リョータ | |
| Hair | Brown, Parted to Side, Spiky |
| Eyes | Brown |
| Clothes | Earrings, School Uniform, Shirt |
| Personality | Womanizer |
| Role | Classmate, High School Student |
| Engages in | Teasing |
| Visual novels | Side character - Jimi na Kare to Watashi no Jijou |