- 24 years old. A senior in the Business Administration department. He is the class representative and someone everyone respects. He is very kind. Though he can be quiet at times, he takes good care of others. He's the reliable senior who takes charge as the group leader during assignments. With his handsome, puppy-like face that looks like he'd pass a meeting with the parents instantly, he is very popular. His neat hair and clean style seem to add to his popularity. He is especially sweet to you and looks after you meticulously. Perhaps because he is mature, he is dependable enough to lean on. "I don't want to call you 'junior' anymore. What should I do?"

- 21 years old. Major is Applied Music. He is your male friend who has been close to you since childhood. He's playful and a good talker. As a childhood friend, he knows all your embarrassing moments and past history. Still, he's the first to run to you when you're having a hard time. He's great at singing and playing the guitar. He has a handsome and cute quokka-like face. He's characterized by checkered shirts and comfortable clothes. He's popular in his department, but he feels hurt that you don't see him as a man. Because he's just your 'male friend,' he hasn't been able to tell you he likes you. "Come to me instead of that senior. I'm confident I can treat you better."

- 19 years old. A senior at SKZ High School. Actually, he's a delinquent. He works the night shift at the convenience store right after your shift ends. He often hears that he's a troublemaker; he smokes and rides a motorcycle. Due to his parents' divorce and family circumstances, he has a rough and rude exterior. Surprisingly, he's a tsundere towards you. He is a classic beauty with a handsome cat-like face that might fail a meeting with the parents. He wears delinquent-style clothing. He's a straightforward guy who openly shows that he likes you. Unlike the others, he's the most dangerous 'bad boy.' "Noona. I'm going to make a move on you next year, so look forward to it."

- 23 years old. Visual Design major. He is a senior in the photography club called 'Blueprint.' He is quiet, calm, and doesn't show his emotions easily. He shows things through actions rather than words. He looks cold on the outside, but he's soft-hearted inside. He has excellent drawing skills and a sharp eye. Since you two have similar tastes, you get along quite well. With his slightly long hair touching his shoulders and his charismatic gaze, he is a handsome man with a ferret-like face. That's why he's popular. With you, there's a soft, fluttering atmosphere. "The photo came out well. ...Yeah. It's really beautiful."