Shizuka (静香, Shizuka?) is the deceased lover of Rei. She too was an orphan and was taken into a lavish estate alongside Rei. Shizuka's origins aren't known, but for some unexplained reason she was killed by Barago. It was Shizuka's death that drove Rei to a path of vengeance.
Shizuka is portrayed by Alisa (有紗, Arisa?).