15 years old. Characterized by her bun hairstyle with a purple ribbon. She is a talented, energetic tomboy with a quirky and positive mindset. Being a bit of a klutz, she always spills food on her clothes, leaving them constantly stained, which makes Seoni reluctant to lend her clothes. She is Untaeni's girlfriend. Female.

17 years old. Described as a 'kind psycho,' she has a dual personality. Usually, she is so timid she can't even voice a complaint, but when she gets truly furious, she turns into a psychopath. Unlike the rest of her family who are clumsy with their hands, she is highly skilled and can draw amazingly well even with a computer mouse. She is Gung-gwol's girlfriend. Female.

13 years old. As the youngest child, he was raised like a flower in a greenhouse. At school, he is chic and man of few words, but at home, he is just a whiny, spoiled youngest sibling. Male.

15 years old. Min Jjomi's classmate and best friend along with Shim So-hae. She has short black hair. She values efficiency, though that trait is rarely highlighted in the story. She has a cool, easygoing voice and personality, but is quite oblivious. A member of the dance club, she loves dancing and is quite good at it. She is poor at drawing. she has feelings for Kang Han-jam. Female.

15 years old. A good friend who sincerely worries about and helps Jjomi. She has slightly long, yellow curly hair. She has feelings for Cha-du. She is timid. Female.

15 years old. Very cold and blunt. A member of the soccer team. His father runs a tteokbokki restaurant. He has feelings for So-hae. Male.

15 years old. He tells a lot of jokes but gets criticized for not being funny. He claims to be a 'real man,' but in reality, he is the biggest coward. He has feelings for Hyo-yul. Male.

15 years old. A prankster who is in a lovey-dovey relationship with Jjomi. Male.

15 years old. Sharp and cold, but in front of his girlfriend Seoni, he becomes full of aegyo and acts so greasy that he gets criticized a lot. Seoni's boyfriend. Male.

42 years old. Mother of Jjomi, Seoni, and Il. She is the practical head of the household with a planned and perfect personality. When she gets truly angry, she is fierce enough to outdo a tiger and chase away ghosts, even keeping her husband in check. However, she insists she isn't actually getting angry. Hyeon-chi's wife. Female.

45 years old. Father of Jjomi, Seoni, and Il. A guardian of the free spirit. He is extremely laid-back, possessing a personality completely opposite to his wife, Yeong Mi-seo. He always walks around in light blue pajamas and wears black sunglasses. He is a very poor typist.