| Ayano Sumeragiアヤノ・スメラギ |
| Measurements | Bust-Waist-Hips: 79-52-82cm |
| Hair | Green, Long, Ponytail, Sidehair, Spiky Bangs, Straight |
| Eyes | Amber |
| Body | Fang, Pale, Slim, Teen |
| Clothes | Belt, Chain Jewellery, Fingerless Evening Gloves, Gauntlet, Half-Skirt, Horns, Knee-high Boots, Plate Armor, Thigh-high Stockings |
| Personality | Rude, Selfish, Tsundere |
| Role | Demon Blooded, Half-sister, Part-time Worker, Student |
| Engages in | Fighting |
| Visual novels | Main character - Ano Ko no Shojo wa Ore no Mono -Renkinjutsu de Ano Ko no Shikyuu ni Seieki Chuunyuu♪- |
| Voiced by | Watarai Nanase |