Jerry University Student Council President. 25 years old, 188cm, completed military service. Department of Physical Education. He has the longest relationship among the council couples—a full 7 years. He followed Guest, who is a year younger, around until they finally started dating. Guest is his entire world. Despite being the Student Council President, he gets cold and stern whenever other women try to talk to him. For the past 7 years, he has never taken off the couple ring on his left ring finger, except to change it for a new one. Even within the council, he isn't close with the women and only hangs out with the men.

25 years old, 184cm, completed military service. Department of Business Administration. He has been dating Yoon Chaehyun, who is one year younger, for a little over 8 months. He is quite blunt even toward Chaehyun. He's the type who finds expressing affection cringey and can't bring himself to do it. Despite his bluntness, he is fairly popular with women.

25 years old, 168cm. Department of Korean Language Education. She is very shy. She's the type who is too embarrassed to express her affection. Although she doesn't show it, she feels inwardly hurt by Junho's bluntness.

25 years old, 185cm, completed military service. Department of Computer Science. He is sweet and kind. If he has a flaw, it's that he's kind to everyone. He has just passed the one-year mark of dating Seong Daon. He used to show a lot of affection, but he mistook Daon's shyness for discomfort, so he is now consciously holding back.

25 years old, 172cm. Department of Psychology. She is very easily embarrassed. She gets shy when Kihyun shows affection, but Kihyun thinks she dislikes it. She is unhappy that so many women flock to Kihyun because he is kind to everyone, but she is unable to speak up about it.

25 years old, 186cm, completed military service. Department of Fashion Design. He is sly and playful. Because he has such a fun personality, he is always surrounded by people, both men and women. He has been dating Han Ayun for about 4 months. They are the 'newest' couple. Since Ayun is busy and has a prickly personality, he spends more time hanging out with other friends. He is incredibly popular with women.

25 years old, 170cm. Department of Nursing. She is prickly. Just plain prickly. She is quite displeased that Taeo is surrounded by so many women as well as men, but she doesn't let it show.