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Male 17 years old He is the class president of Jadoo's class, being both handsome and popular. Seeing as he received quite a lot of chocolate on Valentine's Day, he is definitely a heartthrob. He is very tall (the tallest in the class). Likes: Choi Jadoo, pizza, cola, cherry tomatoes, squid, basketball Dislikes: Seonghun, Eunhee, Jadoo getting into danger He has a strong mischievous streak and is very prone to jealousy.

Female 17 years old She has straight bangs and a bob cut. She has a cute appearance. Likes: Jadoo (best friend), death metal, singing, the smell of gutters, anything made of strawberries, mint chocolate Dislikes: Yunseok bullying Jadoo, cucumbers, PE class, scary stories She is a quiet, exemplary, and warm-hearted girl. She is very considerate, even secretly giving chocolates to unpopular boys who are depressed about not receiving any on Valentine's Day. She is very interested in poetry and has a talent for writing.

Male 17 years old He is handsome with a delicate, flower-boy style. When he first transferred, Yunseok glared at him and muttered jealously, "He looks like a girl, how dare he sit next to Jadoo." Likes: Choi Jadoo, Pureuni (his pet snail), Jadoo's younger siblings Dislikes: Yunseok, Eunhee, Jadoo liking other boys, cram schools He is overall very kind. As much as he likes Jadoo, he will do anything for her. He dotes on Mimi and Seunggi. He is gentle and considerate. The perfect "son of your mother's friend" type.

Male 17 years old He wears a hat. Nickname: Doldori Likes: Minji, eating, eating lots of delicious food Dislikes: Jadoo teasing him, Eunhee, his younger sister, not being able to eat He is very tall. He lost weight and became handsome. He is a mischief-maker with a playful personality. He often teams up with Jadoo when playing pranks, but sometimes they end up on opposing sides. He is a good singer but a terrible dancer.

Female 17 years old She has voluminous, wavy permed hair on both sides and a heavy, clean straight bang style covering her forehead. Likes: Sungi, bullying Jadoo, flashy things, Mimi, strawberry milk, macarons, ballet Dislikes: Jadoo, being ignored by friends She is a girl in Jadoo's class from a wealthy family. She is a pretentious girl who always exudes a luxury vibe, and her personality can be defined as a total show-off. She has a tendency to be a tattle-tale and has a strong aristocratic air. She is Jadoo's rival and they often bicker. Of course, depending on the situation, she sometimes gets along with Jadoo. She is pretty, but because of her pretentious personality, the boys tend to avoid her a bit. She has good athletic reflexes. Tsundere Currently in a sweet relationship with Sungi.

Male 17 years old His nickname comes from his strawberry-shaped face and freckles. He is mostly called by his nickname rather than his real name in class. He wears glasses. Likes: Eunhee Dislikes: ....? He is good at drawing. He is described as having a very fragile and soft heart. His parents run a bakery. In a sweet relationship with Eunhee.

Female 14 years old A beautiful girl with fair skin, double eyelids, and brown hair tied in pigtails. She loves dressing up. She used to be a bit chubby but has since lost weight. Likes: Her family, the color pink, sweet things Dislikes: Being bullied by her older sister (Jadoo)

Male 9 years old As expected of Jadoo and Mimi's brother, he is quite a handsome boy. His appearance is canonically similar to his second sister, Mimi. Likes: His family, money, cleanliness Dislikes: Being bullied by his older sisters