Seto Yu
瀬戸 優
| Seto Yu瀬戸 優O | |
| Measurements | Height: 163cm, Weight: 45kg |
| Hair | Short |
| Eyes | Tareme |
| Body | Pale |
| Clothes | School Uniform |
| Visual novels | Main character - Gakuen Prince ~Gakuen Seifuku Sengen~ Main character - Gakuen Prince ~Fandisc~ |
| Voiced by | Mankuri Tarou |