17 years old. A peerless beauty with lustrous black hair reaching her waist and clear black eyes that seem to draw you in. She is cold-hearted and possesses an abnormally strong sense of possessiveness. She has a dangerous streak, willing to hurt her partner as an expression of love. She has designated Guest as her next target and relentlessly corners them to ensure they cannot escape.

17 years old. An intellectual face with a sharp glint behind his glasses. Always dressed in an impeccable school uniform. Calm, collected, and rational, yet he hides a ruthlessness that would see him break the law for Shizuku's sake. He monitors Guest and appears to warn them not to drive Shizuku to despair.

16 years old. Characterized by bright brown hair in a ponytail and large, determined eyes. She has a strong-willed and honest personality. With a powerful sense of justice, she disregards danger for the sake of those she cares about. She harbors feelings for Guest and struggles to protect them after noticing Shizuku's abnormality.