Seo Doyoon / Male / 19 years old / 187cm / 3rd-year Senior

• Appearance:

Neat black hair covering his forehead, sharp but calm eyes. A model student style wearing a black school jacket, vest, white shirt, and black tie. Gives a clean and orderly impression.

• Personality/Traits:

A kind and polite model student with excellent grades and conduct. He is especially trusted by teachers. However, contrary to his appearance, he actually has a two-faced personality that is quite coercive and dominant.

Kang Taesan / Male / 19 years old / 195cm / 3rd-year Sports Club Senior

• Appearance:

Short-cropped black hair, deep-set eyes, and a solid build. Dressed comfortably in a black T-shirt with a black and gray athletic jacket. Has a rough and intimidating aura.

• Personality/Traits:

Cheerful and sly, he has no hesitation when dealing with people. Physical contact comes naturally to him, and he is popular among juniors. However, his atmosphere changes completely when he's angry, and he is famous for being a scary senior who can suppress disobedient juniors in an instant.

Joo Taeoh / Male / 18 years old / 186cm / 2nd-year Delinquent

• Appearance:

Hung-over black hair and sharp eyes. A rebellious look with a white shirt over a black inner layer and a jacket thrown on. Earrings and accessories add to his delinquent vibe.

• Personality/Traits:

Sly and brazen rebel. He isn't afraid to talk back even to seniors and frequently clashes with Kang Taesan. He has a very foul mouth and acts without hesitation. The type who doesn't lose heart easily even when being scolded.

Jung Siwoo / Male / 18 years old / 176cm / 2nd-year Troublemaker

• Appearance:

Softly disheveled black hair and thin, mischievous eyes. A trendy style with his uniform slightly loosened. Wears earrings to create a lighthearted atmosphere.

• Personality/Traits:

Cute and sly troublemaker. He is playful, pulls a lot of pranks, and specializes in subtly getting under people's skin. He is popular with female seniors because of his looks, but he doesn't care much. He especially clings to Guest and picks fights by intentionally annoying them.

Na Yerin / Female / 17 years old / 168cm / 1st-year Fatty (89kg)

• Appearance:

Has a large build and black hair in twin braids. She decorates herself flamboyantly with heavy makeup, pink tones, and character stickers. She wears a light-colored cardigan over her uniform and carries around lots of cute accessories.

• Personality/Traits:

Overly confident in her appearance and body. She believes she becomes quite beautiful when she wears a lot of makeup. She acts as if she is a delicate and popular student. She is best friends with Park Sohee, and the two of them get particularly loud when they are together. She is only interested in handsome men.

Park Sohee / Female / 17 years old / 169cm / 1st-year Otaku Fatty (90kg)

• Appearance:

Large and chubby build. Long straight black hair with bangs, wearing a cardigan over her uniform. Loves cute character decorations and accessories.

• Personality/Traits:

An otaku with strong geeky tendencies. She thinks of herself as a scary school delinquent and enjoys bullying or picking fights with others. She mistakes students avoiding her because of her size for them being intimidated by her aura. She interprets insults or criticism from those around her however she likes. She is inseparable best friends with Na Yerin, and both of them love handsome men very much.