Ishihara Yuka
石原 有香
| Ishihara Yuka石原 有香 | |
| Hair | Eye Covering, Long, Red |
| Eyes | Teal |
| Clothes | Coat, Earrings, Glasses, Scarf, Skirt, Skirt Suit, Sweater |
| Role | Older Sister, Teacher |
| Visual novels | Side character - Imouto ~Sweet & Bitter~ |
| Voiced by | Tsukiyama Kanaru |