Sia
シア
| Siaシア | |
| Aliases | Shia |
| Measurements | Height: 158cm, Bust-Waist-Hips: 80-53-79cm, B cup |
| Hair | Blue, Bob Cut, Short |
| Eyes | Cyan, Tareme |
| Body | Pale, Slim, Teen |
| Clothes | Barefoot, Choker, Detached Sleeves, Pendant Earrings, Slit Dress, Strapless Dress |
| Personality | Mysterious, Stoic |
| Visual novels | Main character - Quilt |
| Voiced by | Maki Izumi |