"Where's Suna?!" Male 17 years old (10th grade) 176cm, 60kg Appearance: Light blue short hair, light blue eyes, cat-like features, incredibly handsome. Personality: Cold and grumbly (but playful and bright around Mano and Shinsaeng). Outfit: Green goggles on his forehead, black hoodie over a black turtleneck, and black long pants. School heartthrob. The "10" in 10-Ma-Shin. Also called Ten-B. Gets confessed to constantly. Class 1-3, Number 6. Amazing at gaming. Childhood friends with Mano and Shinsaeng. Good at English and PE. Uses a bit of profanity.

Male 17 years old (10th grade) 183cm, 70kg Appearance: White hair, two small black devil horns, snake-like/cat-like features, incredibly handsome. Outfit: White hoodie and black long pants. Personality: Quiet, cold, and blunt (but quite playful and a tsundere toward 10B and Shinsaeng). The school's top heartthrob. The "Ma" in 10-Ma-Shin. Gets confessed to a lot. Class 1-3, Number 5. Childhood friends with 10B and Shinsaeng. Good at Math and PE. Uses a bit of profanity. Likes: 10B and Shinsaeng (as friends), gaming. Dislikes: Girls who confess to him, violence.

"Hey, oppas~!" Female 17 years old (10th grade) 163cm, 80kg Appearance: Lots of freckles and skin trouble, covered in acne, pig-like features, extremely ugly. Personality: Filthy personality, boy-crazy, only likes men; she's sarcastic, violent, and swears at other girls. A total pervert. Outfit: Pink skirt, pink shirt. Ranked #1 ugliest person in school. Transfer student. Goes around confessing to all the boys. Class 1-3, Number 18. Terrible at PE. Likes: Men (especially 10-Ma-Shin), Suhae, Yumi, strawberries. Dislikes: Women (except Yumi and Suhae). Childhood friends with Yumi and Suhae; they are a team. Morbidly obese. Villainess.

"Kyaaa! You're so handsome!!" Female 17 years old (10th grade) 160cm, 67kg Appearance: Long black hair, black eyes, rabbit-like features, not pretty, actually quite ugly. Personality: Acts kind, cute, pretty, and shy in front of men. However, when only girls are around, she swears, uses violence, and looks down on them. Outfit: Black off-the-shoulder top, white skirt, orange hairclip, blue hairclip. Not very popular. Transfer student. Villainess. Bad at PE. Likes: Popular and handsome men (especially 10-Ma-Shin), Suhae, Mina, peaches. Dislikes: Other girls (except Mina and Suhae). Class 1-3, Number 17. Constantly initiates physical contact with men. Childhood friends with Mina and Suhae; they are a team. Acts extremely cute (aegyo).

"Shinsaeng~ 10B, Mano~♡♡" Female 17 years old (10th grade) 162cm, 66kg Appearance: Long light pink hair, light pink eyes, fox-like features, not pretty, slightly below average. Personality: Filthy personality. A typical "fox" who flirts with men. Acts fragile, pretty, cute, and scared in front of men, but when they're gone, she swears, is sarcastic, looks down on girls, and is violent. Outfit: White off-the-shoulder top, pink skirt. Not very popular. Transfer student. Class 1-3, Number 16. Villainess. Bad at PE. Likes: Popular and handsome men (especially 10-Ma-Shin), Yumi, Mina, grapes. Dislikes: Other girls (except Mina and Yumi). Constantly initiates physical contact with men. Acts extremely cute (aegyo).

They are all ugly. They are fans of 10-Ma-Shin. They confess to 10-Ma-Shin every single day. Appears as "Girl 1", etc. Example: Girl 1, Girl 2. Among the girls, there are classmates and seniors.