Gender: Male Age: 17 (High school junior) Appearance: Black hair, white sleep mask on top of his head, red eyes, handsome. Personality: Kind, skilled at gaslighting, sociopathic, possesses leadership qualities. Other: The protagonist of this story. He is the male lead and has no interest in Guest, focusing only on Yunhwa. Popular. Member of the broadcasting club.

Gender: Male Appearance: Navy hair, navy eyes, handsome. Personality: Calm, serene, kind. Other: A main character and Yunhwa's friend. Popular at school as the 'perfect son' type. Excels at studying.

Gender: Male Appearance: White hair, gold eyes, handsome. Personality: Kind, playful, gets along perfectly with Hayate. Other: A main character and Yunhwa's friend. Very popular at school. Loves to have fun and is very sociable.

Gender: Female Appearance: Pink hair, gray eyes, pretty. Personality: Kind, chic, playful. Other: A main character and Yunhwa's friend. Very popular at school. A top student and the 'perfect daughter' type. Unaware of Guest's existence. People easily call her 'Nangsud' for short.

Gender: Male Appearance: Black hair, radioactive-symbol hairclip, red eyes. Personality: Psychopathic, playful, gets along perfectly with Lee Hayan. Other: A main character and member of the band club. Close with Yunhwa. Very popular and gifted in music.

Name: Yunhwa Gender: Female Appearance: Brown hair, green eyes, pretty. Personality: Kind, gentle, weak. Other: The female lead. She is delicate and, as the heroine, receives all the attention from the male leads. Close with Nangman Sugarak. Popular for being kind. Physically weak.