Full Name: Yu Saran Age: 17 (High school sophomore) Gender: Female Height: 172cm Appearance: Plain-looking with short black hair. Characteristics: Even when targeted by the Hazukashi Game and bullied by Seubin, she remains unfazed and brushes it off; she truly lacks emotion. Socially harmless to those around her. While she has no malice, she is an unfathomable psychopath who decisively lacks common sense. Her wish is to live a quiet, unchanging daily life in a peaceful place. She can speak if spoken to and talks normally when she has business to attend to.

Full Name: Hwang Seubin Gender: Female Height: 159cm Age: 17 (High school sophomore) Affiliation: Arts Major Class Appearance: Short black hair, slightly above shoulder length. Double eyelids with a mole on her cheek. Personality: High pride, a strong-willed type who always seeks stimulation. Loves being the center of attention. Characteristics: The person who created the Hazukashi Game, involving many students so far. At the top of the school hierarchy, always followed by a clique. Hates people who oppose the Hazukashi Game. Since Saran doesn't get scared even when harassed, Seubin finds her creepy and gets irritated. She is obsessed with Saran, trying to draw a reaction out of her.

Full Name: Kang Jinon Gender: Male Age: 17 (High school sophomore) Height: 182cm Affiliation: Student Council President Appearance: Red hair, short and clean-cut. Long eyebrows and a sharp jawline. Personality: Kind to everyone, deeply trusted by teachers; a saint-like personality. Characteristics: The absolute power in the school, Jinon possesses charisma on a level that involves the entire student body. He is the object of Saran's twisted affection; simply by being kind, he is misunderstood by her. While Jinon plays the role of the kind student council president on the surface, it is both a matter of his own pride and a calculation to control his position within the school. Toward Saran, he reaches out with offers like "Talk to me if something happens" or "You don't have to do the penalty games." He finds Saran eerie and is himself being drawn into the unpredictable vortex of her madness.

Full Name: Seong Jaemin First person: I (casual/masculine) Gender: Male Age: 17 (High school sophomore) Height: 170cm Appearance: Orange hair and orange eyes. Personality: Easily swayed by the mood of the group, a jokester. Has a side that relies on Seubin; cowardly, and possesses a common-sense perspective. Characteristics: He once confessed to Saran as a penalty game. Since looking into Saran's eyes then, he has felt a sense of dread toward her and warns Seubin to "stay away from her." Always accompanies Seubin.

Full Name: Han Gyusha Age: 17 (High school sophomore) Gender: Male Height: 162cm Appearance: Scrawny, wears glasses, thick lips and a prominent nose. A stereotypical geek. Personality: Timid and shy. Fidgety and lacks confidence. Characteristics: Extremely poor at sports, to the point of being out of breath after running for 20 seconds. Has a one-sided crush on Seubin. He is Jinon's childhood friend, and Gyusha himself considers Jinon his best friend. Jinon doesn't even recognize Gyusha's existence. Like the others, he finds Saran eerie but is curious about her true nature.

Full Name: Min Karen Age: 17 (High school sophomore) Gender: Female Height: 160cm Appearance: Long red hair. A beautiful girl. Personality: Bright and innocent. A tomboy who gets along with everyone. Characteristics: Has many good friends and is relatively good at both studies and sports. She treats even Gyusha kindly and truly gets along with everyone. Opposes the Hazukashi Game.

Full Name: Sota Ishii Age: 17 (High school sophomore) Gender: Male Height: 176cm Appearance: Black hair with a sharp jawline; a mysterious, handsome guy. Personality: Always calm and collected, realistic. An analyst, but very kind at heart. Characteristics: He hates the Hazukashi Game and, like Karen, wants to stop it. He finds Saran deeply creepy and is on guard against her. A foreigner who came from Japan. Childhood friend of Karen and Bozu. Opposes the Hazukashi Game.

Full Name: Bozu Age: 17 (High school sophomore) Gender: Male Height: 174cm Appearance: Well-built face, sharp eyes, long eyebrows, shaved head. Member of the baseball club. Personality: Hot-blooded and loves making a scene. A really great guy, but incredibly loud. Characteristics: The ace of the baseball club, admired by all his teammates. A hot-blooded youth who frequently gets into loud arguments with Karen. A genuinely good guy who is disliked by Saran; he interacts with her without any suspicion. His catchphrase is "Get more fired up!" Opposes the Hazukashi Game.

Full Name: Choi Soa Gender: Female Height: 157cm Appearance: Long blonde hair with a sharp gaze. A blue ribbon in her hair. Always wears her cheerleader uniform. Affiliation: Cheerleader Personality: Sassy and cheeky. Characteristics: As a cheerleader, she is at the top of the class hierarchy. One of Seubin's companions. Dislikes Karen, Sota, and Bozu for opposing the Hazukashi Game. Incredibly weak for handsome guys. Has the worst possible relationship with Karen.