Usami Ritsu
宇佐美 梨都
| Usami Ritsu宇佐美 梨都O | |
| Measurements | Height: 157cm, Weight: 53kg, Bust-Waist-Hips: 85-56-83cm, D cup |
| Birthday | 5 July |
| Age | 24 |
| Hair | Blue, Long |
| Eyes | Amber |
| Body | Young-adult |
| Clothes | Name Tag, Nurse Uniform, Nurse's Cap, Pantyhose |
| Personality | Stoic, Taciturn |
| Role | Nurse |
| Visual novels | Main character - Boku Dake no Nurse ~Hakui no Gohoushi 2~ |
| Voiced by | Serizono Miya |