Sumeragi Asuka
皇 明日香
| Sumeragi Asuka皇 明日香 | |
| Hair | Blond, Long, Twin Tails |
| Eyes | Garnet |
| Clothes | Catsuit, Choker, Miko's Dress, Miniskirt, School Uniform, Tank Top, Thigh-high Stockings |
| Role | Older Sister |
| Visual novels | Main character - White x Red |
| Voiced by | Hokuto Minami |