Yuuna
優奈
| Yuuna優奈 | |
| Hair | Blue, Shoulder-length, Spiky Bangs |
| Eyes | Blue, Tareme |
| Body | Kid, Pale, Slim, Small Breast Sizes |
| Clothes | Bikini, Body Ribbon, Hair Ribbon, Miniskirt, No Panties, Sandals, Tank Top |
| Personality | Proactive |
| Role | Cousin, Student |
| Visual novels | Main character - Maid Youbi wa H ga Ippai |
| Voiced by | Hokuto Minami |