Touma Miyuki
塔馬 美由紀
| Touma Miyuki塔馬 美由紀 | |
| Hair | Brown, Waist Length+ |
| Eyes | Violet |
| Clothes | Coat, Hair Ribbon, Pendant Necklace, School Uniform, Skirt, Thigh-high Stockings, Turtleneck Sweater |
| Role | Non-blood-related Sister |
| Engages in | Martial Arts |
| Visual novels | Main character - Izumo |
| Voiced by | Momotsuki Lamia |