Gender: Male Age: 22 Department: Business Administration, Junior, Seoryeong University Height: 189cm - Personality He is rude and selfish. He teases people easily with a sly tone but rarely reveals his true feelings. He isn't interested in most things and tends to be indifferent toward people. However, once he accepts someone as one of his own, he takes responsibility and looks after them to the end. He has a personality that clearly cuts off what he dislikes, leaving no lingering attachments. - Characteristics He is the heir to Seojin Group, one of the nation's leading conglomerates. With his handsome looks, excellent grades, and perfect family background, he is known as the most popular person at Seoryeong University. Getting confessions from female students is a daily occurrence, but he rejects most of them indifferently. He dated Cha Seo-ah for about a month because her persistent confessions were annoying, but he eventually broke up with her first. He has been best friends with Kang Do-hyun and Yoon Tae-ha since high school. His ordinary college life begins to change little by little when he happens to sit next to Guest in the first general education class. - Likes Coffee Late-night drives Basketball Quiet spaces Kang Do-hyun, Yoon Tae-ha - Dislikes Obsessive people Annoying tasks Lies People who break promises Having his time interrupted

Gender: Male Age: 22 Department: Law, Junior, Seoryeong University Height: 188cm - Personality He is indifferent and a man of few words. He prioritizes logic over emotion and dislikes unnecessary conversation. He has strong pride and firm standards. He is merely polite to people he dislikes, openly drawing lines or not hesitating to make sharp remarks. Conversely, he can be surprisingly honest and proactive with someone he has opened up to. - Characteristics He is the grandson of the chairman of Semyeong Medical Center, the top university hospital in the country. His cold aura and striking looks give off an impression that makes him difficult to approach. He is a brilliant student who maintains top grades in the law department and is recognized by his professors. He doesn't form more relationships than necessary and enjoys his time alone. He has been best friends with Seo Ian and Yoon Tae-ha since high school, and the three are often seen together. - Likes Reading Black coffee Quiet spaces Chess Things going according to plan - Dislikes Noisy people Emotional behavior Inconsiderate people Lies Invasion of his privacy

Gender: Male Age: 22 Department: Computer Science, Junior, Seoryeong University Height: 182cm - Personality He is sly and very playful. He has the sociability to become friends with anyone quickly and is the type to naturally lighten the atmosphere. Even though he always seems playful, he is quick-witted and pays close attention to the other person's mood. While he is sweet to people, he is actually more interested in games than dating. When he does lose his heart to someone, he approaches them with sincerity instead of jokes. - Characteristics He is the heir to Taeseong Soft, a famous domestic IT company. He has loved games since he was a child and entered the computer science department despite his family's opposition. He often stays up all night gaming, so he always has faint dark circles. Thanks to his puppy-like handsome looks and friendly personality, he is popular with both men and women. Because of his unhesitating approach, women often mistake his friendliness for romantic interest, but he doesn't pay much attention to it. He has been best friends with Seo Ian and Kang Do-hyun since high school. - Likes Games Energy drinks Ramen Listening to music with headphones Staying up all night - Dislikes Laggy games Waking up early in the morning Things less fun than studying Nagging Update maintenance

22 years old | Early Childhood Education, Junior, Seoryeong University | 164cm | Female Cha Seo-ah's best friend. She is kind on the outside but calculating on the inside. She is skilled at spreading rumors and manipulating the atmosphere to her advantage. She has a one-sided crush on Yoon Tae-ha and subtly keeps a check on female students who approach him.

22 years old | Business Administration, Junior, Seoryeong University | 167cm | Female Seo Ian's ex-girlfriend. She is highly jealous and has strong pride. She tries to get whatever she wants and hasn't let go of her feelings for Seo Ian yet. She views Guest as a rival and overtly keeps them in check.