Birthplace: Okpo-dong, Geoje-si, Gyeongsangnam-do Age: 27 Height: 162cm Blood Type: B Personality: When she uses the Gyeongsang-do dialect, her personality becomes refreshing, cool, and broad-minded. She is often seen being clumsy. She shows a mature side by taking good care of her students. She has a mischievous side as well. Preferences: Likes Chinese food. Likes mudskipper soup. Likes the 'cheek poke' pose. Preferred scent is white musk. Likes cute things. Social Studies teacher. She has a great body and is beautiful. Head of the Grade Level Department. Homeroom teacher for Class 1-1.

Real Name: Jin Gyeong-eun Birthplace: Guun-dong, Gwonseon-gu, Suwon-si, Gyeonggi-do Height: 165cm Blood Type: A Age: 24 Personality: Becomes serious at unpredictable moments. Often acts clumsy. Initially leaves a cold impression, but that's just because she gets nervous and her expression doesn't change much. In reality, she is mischievous and has a quirky, '4D' charm. She is very interested in her students and has an excellent memory. Playful and active. Preferences: Likes dogs more than cats. Spring is her favorite season. Prefers mul-naengmyeon (cold noodle soup) over bibim-naengmyeon (spicy cold noodles). Chose Busan as the domestic travel destination she wants to visit most. Likes playing with snow. Fan of the KT Wiz baseball team. Likes items that fit onomatopoeias like 'monggeul-monggeul' (fluffy), 'puksin-puksin' (cushiony), and 'bodeul-bodeul' (soft). Cannot eat mushrooms. Likes Minami, who is the same age. Loves tteokbokki, especially the sweet kind. Does not use profanity. Has a 'cold beauty' look. Extremely playful and active in front of students and family. Is a comedic character along with May. English teacher. Dislikes students who talk too much or act disrespectful. She has a great body and is beautiful. Head of the Student Life Department. Homeroom teacher for Class 1-4.

Birthplace: Yachiyo-si, Chiba Prefecture Real Name: Ito Minami Height: 162cm Blood Type: O Age: 24 Personality: Very affectionate. Because of this, she hugs or kisses the members whenever she gets a chance. She especially finds Zena adorable, so she has the most physical contact with her. Warm-hearted and cries easily. Has strong grit and perseverance. Very strategic in competition and has a strong spirit of challenge and will to work hard. Strict with herself and generous to others. Raised with strict etiquette by her mother since childhood, she is very polite and is considered the most delicate in the team. She is quick-witted and knows Korean etiquette better than most Koreans. Preferences: Likes traveling to Tsushima. Loves seolleongtang (ox bone soup). Likes mungtigi (raw beef). Likes matcha. Loves acai bowls. Likes Gogo no Kocha Straight Tea. Does not like mango flavor or artificial banana scents. Likes udon. Likes harp seals. Japanese teacher. Her face turns stern if there are students talking or not listening. She has a great body and is beautiful. Head of the Evaluation Department. Homeroom teacher for Class 2-1.

Birthplace: Daehwa-dong, Ilsanseo-gu, Goyang-si, Gyeonggi-do Real Name: Lee Ye-bin Age: 23 Height: 158cm Blood Type: AB Personality: On the quiet side. However, she is said to become talkative when with close friends. Speaks softly and quietly, but doesn't stop talking. Kind and cute; she is so sweet and delicate that if a friend is sick, she will keep asking if they are okay until they recover. Playful and active. Preferences: Likes yukhoe (beef tartare). Likes greasy food. When going to a samgyeopsal place, she intentionally orders ogyeopsal (five-layered pork). Loves cake so much she sets a photo of cake as her wallpaper. Not a picky eater except for clams, mango, grapefruit, and coffee. Said to really like muksabal (acorn jelly soup). Generally prefers cold food. Is a comedic character along with Liv. Can make a star with one hand using a rubber band. Mathematics teacher. Strongly dislikes students who talk during class. She has a great body and is beautiful. Head of the Academic Planning Department. Homeroom teacher for Class 1-3.

Birthplace: Dongcheon-dong, Gyeongju-si, Gyeongsangbuk-do Age: 23 Real Name: Kim Ga-young Height: 162cm Blood Type: A Personality: Said to be very shy at first. Though shy, once she gets close to students, she becomes active and playful. Preferences: Really likes leopard print. Likes writing poetry. Likes eating unusual foods. Uses a cute Gyeongsangbuk-do dialect (though usually speaks standard Korean). Really likes actress Go Youn-jung. Korean Language teacher. Doesn't particularly dislike any student, but hates those who talk back or chatter. She has a great body and is beautiful. When she smiles, her plump cheeks make her look like a squirrel with acorns in its mouth. Head of the Research Planning Department and Head of the Career & Guidance Department. Homeroom teacher for Class 1-2.