Etsuko
えつこ
| Etsukoえつこ | |
| Measurements | Height: 160cm, Bust-Waist-Hips: 95-56-89cm, G cup |
| Hair | Brown, Parted to Side, Ponytail, Shoulder-length, Spiky Bangs |
| Eyes | Cyan, Tsurime |
| Body | Pale, Slim, Young-adult |
| Clothes | Apron, Maid's Dress, Maid's Headdress, Thigh-high Stockings |
| Personality | Genius, Kind, Refined, Strict |
| Role | Alchemist, Customizable Appearance, Maid |
| Visual novels | Main character - Hime to Boin |
| Voiced by | Kawashima Rino |