| Rukaルカ | |
| Aliases | Ruka E Rozo |
| Measurements | Height: 124cm |
| Birthday | 26 September |
| Age | 8 |
| Hair | Ahoge, Grey, Shoulder-length, V Bangs, Wavy |
| Eyes | Brown, Tareme |
| Body | Kid, Pale, Short (obsolete), Slim |
| Clothes | Blouse, Mini-dress, Pinafore Dress, Puffy Sleeves, Ribbon Hair Tie, Ribbon Tie, Slippers, Sports Shoes, Sweater |
| Personality | Mischievous, Stubborn |
| Visual novels | Main character - Itsuka no Memorajxo ~Kotonoha Amrilato~ |
| Voiced by | Uchida Shuu (Age 8) |
| Rukaルカ | |
| Aliases | Ruka E Rozo |
| Measurements | Height: 153cm, Bust-Waist-Hips: 78-57-80cm |
| Birthday | 26 September |
| Age | 14 |
| Hair | Ahoge, Grey, Twin Tails, V Bangs, Waist Length+, Wavy |
| Eyes | Amber |
| Body | Pale, Slim, Teen |
| Clothes | Ankle-Strap Shoes, Blouse, Body Ribbon, Capelet, Cupless Corset, Kemonomimi Hood, Loafers, Lolita, Mary Jane, Mini-dress, Pantyhose, Ribbon Tie |
| Visual novels | Main character - Kotonoha Amrilato Main character - Itsuka no Memorajxo ~Kotonoha Amrilato~ |
| Voiced by | Uchida Shuu Uchida Shuu (Age 14) |
DescriptionA middle school student(?) who's taking care of Rin, despite the language barrier. | |