Litte Ratus
リッテ・ラートゥス
| Litte Ratusリッテ・ラートゥス | |
| Hair | Curtained, Cyan, Hair Beads, Long, Parted in Middle, Straight, Twin Tails |
| Eyes | Cyan, Tareme |
| Body | Kid, Pale, Slim, Small Breast Sizes, Younger Appearance |
| Clothes | Bracelet, Cravat, Glasses, Miniskirt, Pantyhose |
| Personality | Genius, Immature |
| Role | Daughter, Half-orphan, Magician, Older Sister, Teacher |
| Visual novels | Main character - Prism Ark ~Prism Heart Episode 2~ |
| Voiced by | Koyama Kimiko |