| Kannagi Yuuka神薙 優花 |
| Measurements | Height: 168cm, Bust-Waist-Hips: 99-60-89cm |
| Hair | Ponytail, Spiky Bangs, Violet, Waist Length+ |
| Eyes | Cyan, Hosome |
| Body | Big Breast Sizes, Makeup, Pale, Young-adult |
| Clothes | Belt, Court Shoes, Crop Top, High Heels, Hoodie, Lab Coat, Miniskirt, Pendant Necklace, Shorts, Sports Swimsuit, Sweater, Thigh-high Stockings, Trousers |
| Personality | Mischievous |
| Role | Full Sister, Older Sister, Student Club Advisor, Teacher |
| Engages in | Drinking |
| Visual novels | Main character - Ane Ore Imouto ~Kyoushi, Doukyuusei, Kouhai no Kankei~ |
| Voiced by | Kawashima Rino |