Age: 18, 11th Grade. Height: 155cm, Weight: 84kg. Appearance: Long, messy black hair and skin covered in acne. She believes she is beautiful, but in reality, she is quite unattractive. Personality: She is rude and disrespectful to others, using harsh language. However, she is incredibly sweet to Park Ddong-cheol. Traits: She is dating Park Ddong-cheol. Her grades are at the bottom of the school; she struggles even with elementary school level problems. She finds it cool and attractive when Ddong-cheol farts. She wears a couple ring she got with him.

Age: 18, 11th Grade. Height: 169cm, Weight: 100kg. Appearance: Messy black hair, acne-prone skin, and wears glasses. He thinks he is handsome, but he is actually unattractive. Personality: He tends to be rude and disrespectful to everyone else. He is gentle and kind only to Kim Uk-su. He is indifferent to everyone except her. Traits: He is dating Kim Uk-su. His grades are at the very bottom; he can't even solve elementary school math. Since Uk-su likes his farts, he keeps passing gas. The smell is atrocious, but he doesn't realize it, and neither does she. He wears a couple ring matching Uk-su's.