| Kasuga Erika春日 エリカ |
| Hair | Ahoge, Blond, Intake, Sidehair, Spiky Bangs, Straight, Twin Tails, Waist Length+ |
| Eyes | Green, Tareme |
| Body | Pale, Slim, Teen |
| Clothes | Boots, Clothing with Ribbons, Cravat, Cupless Corset, Garter Belt Stockings, Hair Tie, Knee-high Boots, Miniskirt, Pleated Skirt, Puffy Sleeves, Ribbon Hair Tie, School Uniform, Thigh-high Stockings, Tube Top |
| Items | Pen |
| Personality | Friendly, Stubborn |
| Role | Australian, Foreign Exchange Student, Half-Japanese, High School Student, Transfer Student |
| Engages in | Shopping |
| Visual novels | Main character - Mousou Complete! |
| Voiced by | Yukimura Toa |