Morinaga Yuuka
森永 優花
| Morinaga Yuuka森永 優花 | |
| Hair | Blond, Twin Tails |
| Eyes | Blue |
| Clothes | Hoodie, School Uniform, Skirt |
| Personality | Carefree |
| Role | Popular, Step Sister, Student, Twin Sister, Younger Sister |
| Engages in | Sports |
| Visual novels | Main character - Gemini |
| Voiced by | Imai Kaoru |