| Doujima Sana堂島 紗奈 |
| Hair | Brown, Curtained, Parted in Middle, Ponytail, Waist Length+ |
| Eyes | Brown |
| Clothes | Leotard, Miniskirt, Naked in Front of an Audience, Pantyhose, Ribbon Hair Tie, School Uniform, T-shirt, Tracksuit |
| Personality | Pervert, Selfish, Timid |
| Role | High School Student, Popular, School Rhythmic Gymnastics Club Member |
| Engages in | Rhythmic Gymnastics, Seduction |
| Subject of | Erotic Photography |
| Visual novels | Main character - Boku no Atarashii Sensei |
| Voiced by | Konoha Kaede |