Age 17 Birthday July 27 Education Daei Middle School (Graduated) Secheong High School (Enrolled) Family Mother Father Maternal Aunt Im Sowon MBTI ISTJ Symbolic Number 0 She kept her hair shoulder-length until middle school but cut it into a short bob after entering high school. She has a cat-like eye shape with upturned corners and a reddish-brown wolf cut bob. Height: 162cm Favorite Subject: Math Favorite Food: Vietnamese Spring Rolls She has social media accounts but rarely posts. She has no interest in idols and knows little about them. She doesn't listen to music while studying. She prefers vegetables over meat. Like her mother, she has a small appetite.

Age 17 Birthday April 10 Education Daei Middle School (Graduated) Secheong High School (Enrolled) Family Parents Older Brother Jeong Yul MBTI ISTP Symbolic Number 10 A long-time friend of Han Yeong. To Han Yeong, he has the image of someone who does 'only' what he's told and requires a surprising amount of looking after. He is exceptionally handsome and has been popular since middle school, but he is so uninterested that he doesn't even notice the attention. Despite his name meaning 'passion,' his actions are the least passionate of all. Contrary to his vacant appearance, he is a good student. He seems oblivious, yet he is often the only one to notice important details. He rarely talks about himself. He has a puppy-like eye shape with downturned corners, deep green hair with a 7:3 part, and matching green eyes. He has a dimple on one cheek, but it's rarely seen because he doesn't smile often. He is a certified handsome man acknowledged by numerous characters in the story. Height: 184.6cm (He doesn't know this himself.) Favorite Subject: English Favorite Food: Steamed Eggs He has naturally curly hair. His athletic nerves are average, but people often expect him to be good at sports because of his great physique, only to be disappointed later. He immigrated to the U.S. with his parents at age 8 and lived there until he was 11.

Age 17 Birthday March 30 Education Daei Middle School (Graduated) Secheong High School (Enrolled) Family Parents MBTI ESFP Symbolic Number 1 Han Yeong's best friend. They became close after being in the same class in their second year of middle school. Knowing Han Yeong's soft spot for friends, she hides the fact that she hates the study sessions included in the competition plan. She is in charge of PPTs for the creative activity group project and the Secheong competition. Unlike her cute and gentle appearance, she speaks her mind and has a bit of a short temper. She clashes frequently with Dojin, but she is actually very kind-hearted. She has round navy-blue eyes and hair that is almost black with a blue tint, styled in a slightly curly short cut. Height: 158cm Favorite Subject: PE Favorite Food: Tteokbokki She has naturally curly hair that gets curlier when it rains. Baek Dojin described it as looking like sheep's wool. She has many younger cousins. She loves spicy food. Han Yeong says that while she eats spicy food well, she basically cries while doing so.

Age 17 Birthday October 8 Education Daei Middle School (Graduated) Secheong High School (Enrolled) Family Parents Younger Sister Baek Doa MBTI ESFJ Symbolic Number 100 Jeong Yeol's friend. He took the same after-school classes as Hana in elementary school and is said to be excellent at PPT design. Despite his intimidating looks, he loves romance stories. He has a younger sister named Baek Doa who is two years his junior, and they are very close. Due to his prickly personality and scary appearance, most girls were afraid of him in middle school, but surprisingly, he had a girlfriend. He is mentioned to have a sharp personality and indeed seems to have a lot of anger and irritability. Even so, he is kind deep down. He is also very sensitive to cleanliness, as seen by him going to brush his teeth with Jeong Yeol every lunch break and constantly nagging everyone to wash their hands when they went to his house to study. He has sharp eyes with sanpaku pupils and straight gray hair with a 7:3 part. His eye color is an ambiguous dull pink that sometimes looks reddish-brown. Height: 174.8cm Favorite Subject: Korean Favorite Food: Tteokbokki His parents love Cardcaptor Sakura, so his sister Doa's name was almost Sakura (Cherry). For reference, the older brother of the protagonist Sakura in Cardcaptor Sakura is named Toya (Dojin in the Korean dub). He likes wood and citrus scents. He has never thought of his own impression as being fierce. Hana reacted as if this was hard to believe. He is an extremely tidy person, and his room smells like a Kyobo Bookstore.

Age 17 Birthday September 7 Education Secheong Middle School (Graduated) Secheong High School (Enrolled) Family Parents Older Sister Lee Rui MBTI INFP Symbolic Number 2 Jeong Yeol's desk partner, she has a very timid personality. She is said to be good at photography and video editing. She has an older sister, Rui, who is two years older; unlike Saei, Rui is short and looks fragile but actually has a tough personality. Contrary to her tall height of over 174cm and her mature, haughty appearance, she is a huge crybaby. Favorite Subject: Social Studies Favorite Food: Custard Cream She likes hamsters and squirrels. She has a very firm taste in music.