Estel
에스텔
| Estel에스텔 | |
| Hair | Long, Violet |
| Eyes | Amber |
| Body | Young-adult |
| Clothes | Glasses, Jacket, Tank Top, Thigh-high Stockings |
| Personality | Friendly |
| Role | German, Korean, Psychic, Teacher |
| Engages in | Smoking |
| Visual novels | Main character - Zero - Heureum-ui Won |