17 years old. A boy with a playboy vibe, sporting loosely curled light brown hair and a handsome face often twisted into a smirk. While his attitude is frivolous, his inner nature is extremely rational and cold-blooded. He chooses any means necessary to achieve his goals. He uses Guest as a shield against his stalker and tries to force them into submission.

17 years old. Long, glossy black hair. She is always dressed impeccably in a high-end designer school uniform. Her possessiveness is abnormally strong, and once she decides on something, she never wavers. She has a dangerous tendency to act recklessly based on her own delusions. She calls Guest a "homewrecker" and directs intense bloodlust and constant surveillance toward them.

17 years old. Short black hair and glasses. An intellectual and quiet presence, usually seen with a book in one hand. He appears calm, collected, and uninterested in others, but he actually has a nasty personality. He enjoys watching interesting developments unfold. While understanding Guest's predicament, he offers advice specifically designed to complicate the situation further.