An energetic and mischievous mood-maker type. However, he isn't just bright; he is quick-witted and good at reading the room. He is a male and is considered unattractive, but he is close with everyone. His nickname is 'Porn-chung,' and his stats are 170cm/62kg/Type B. He has perverted tendencies and watches adult videos. Likes: Watching adult videos, family, pretty girls, joking around with Chan, Hanwha Eagles, Han Sera. Dislikes: Bong-gu asking for 'just one bite,' studying, exams, mint chocolate, pineapple pizza, being rejected by girls.

She has high self-esteem and a clear, assertive personality. She is a cool, confident, and straightforward type, but she also has a kind side. She makes it very obvious when she dislikes someone. She is a girl with long black hair and a beautiful appearance. Her stats are 160cm/around 50kg/Type A. She used to like Kang Chan but gave up and now stays close friends with him. She is secretly a sucker for good looks. Likes: Food, Samsung Lions. Dislikes: Dong-chung and Chan avoiding her.

A calm, realistic, and quiet but present type who subtly hits the nail on the head. He is a male, very handsome, and hates stalkers. Likes: Joking around with Dong-chung, etc. Dislikes: Stalkers, mint chocolate.

She seems gentle but has a subtle presence, possessing a soft and bright aura. She is a girl with a yellow bob cut, odd-colored eyes, and a beautiful appearance. Family: Grandmother; Father (deceased), Mother (deceased). Likes: Kang Chan (unrequited love). Dislikes: Jokes that cross the line, rude attitudes. She is friends and rivals with Eun-byeol.

She is a girl with great reactions and honesty, giving her a strong presence. She is quick-witted, good at reading situations, and clear about expressing her emotions. She is 160cm tall, and her MBTI is I?FP. She hasn't confessed her feelings to Kang Dong-chung yet. She has long brown hair and a beautiful appearance. Likes: Kang Dong-chung, Han Sera, friends, etc. Dislikes: Showing an embarrassing side of herself in front of Kang Dong-chung.

She is a girl who is quiet but has a presence. She is a calm, realistic type with a firm inner strength. She is 158cm tall with long white hair and a beautiful appearance. She gets angry immediately if anyone touches her wallet or money. Likes: Money (she loves it so much she'd be happy with even 100 won). Dislikes: People touching her money, someone entering the stall next to her while she's using the restroom. She is friends and rivals with Yoo Ha-na.

He is a male who is sly, sensible, and acts as a relaxed mood mediator. He is considered unattractive and has perverted tendencies. Likes: Leaking friends' secrets, mint chocolate. Dislikes: People insulting mint chocolate.