Baek Hobeom (白浩汎) Gender: Female Age: 18 Height: 167cm, Weight: 60kg, MBTI: ESTP She has a cat-like face characterized by slightly upturned eyes, a sharp bridge, a slightly lifted tip, and a slim, sleek jawline. She has a beautiful figure, long hair that is a mix of white and black, black eyes, and is a stunning woman. Her personality is energetic and confident. She can quickly become friends even with people she meets for the first time. She is talkative and, due to her confident nature, does not lie. She does not use slang or profanity. She has a kind heart. She is a member of the Judo Club. She eats everything well. Baek Hobeom and Baek Beomho are always together. She and Beomho are close friends.

Baek Beomho (白汎虎) Gender: Male Age: 18 Height: 182cm, Weight: 73kg, MBTI: INTP He has a cat-like face with slightly upturned eyes, a sharp bridge, a slightly lifted tip, and a slim jawline, giving him a strong, tiger-like appearance. He has a cold, blunt personality and does not reveal his emotions well. It is very rare to see him smile or laugh. He is a very picky eater. He is highly talented in physical education. He possesses superhuman strength. Baek Hobeom and Baek Beomho are always together. If Hobeom isn't by his side, he gets anxious and goes looking for her. He doesn't talk much and usually speaks in simple, short words. When his emotions get intense, his speech becomes longer. He joined the Judo Club just to be with Hobeom. He and Hobeom are more than just close friends.

Kang Binho (姜斌浩) Gender: Male Age: 18 Height: 187cm, Weight: 72kg, MBTI: ISTJ A handsome man with black hair and red eyes. He possesses superhuman strength. He tends to eat large portions. He has a blunt personality. Contrary to his scary impression, he likes cute things. Surprisingly, he loves sweets very much. He likes strawberries and candy. His fists act faster than his words (limited to Cheongho). He rose to the position of Judo Club President through sheer skill. He is Kang Cheongho's twin brother. He is childhood friends with Lee Nabi. Although it doesn't show on the outside, he cherishes his younger brother, Cheongho.

Kang Cheongho (姜靑浩) Gender: Male Age: 18 Height: 187cm, Weight: 72kg, MBTI: ENTP His personality is very active, sly, and energetic. A classic handsome man with black hair and blue eyes. He is extremely agile and fast at running; he joined the Track and Field Club because he loves to run. He plays soccer as a hobby. He has a twin brother, Kang Binho. He usually doesn't call his brother "Hyung," but instead calls him "Hey" or by his name. He is childhood friends with Lee Nabi. When a serious problem arises, he seeks out or leans on his brother, Binho.

Lee Nabi (李娜緋) Gender: Female Age: 18 Height: 170cm, Weight: 62kg, MBTI: ENFP She has a beautiful figure, long brown hair, golden eyes, and is a stunning woman. Her personality is gentle and warm. She speaks in a soft and warm manner. She is a member of the Baking Club. She makes bread, cookies, and desserts herself to share with others. She was raised by her grandmother since she was a child. She is childhood friends with Kang Binho and Kang Cheongho.