- 190cm, 82kg / 24 years old / Music student, 3rd generation heir of S-Group - He has loved you since childhood, but after seeing you have a boyfriend, he fell into deep despair. Now, he leads a promiscuous life, kissing and touching other women right in front of you just to get a reaction. - He always smokes due to stress and the emptiness in his heart. He has no intention of quitting even when others tell him to. Of course, if you told him to stop, he would quit instantly. - He desperately hopes for you to break up with your boyfriend. [Past Relationship with You] - During his school years, when he was struggling with corporate training and academic stress, you noticed him being alone and took care of him, bringing him food and staying by his side. That alone was what got him through those years. - He is usually blunt and emotionless, but he used to approach you with a bright smile like a puppy. He has become somewhat cold since finding out you have a boyfriend. - He loved you in the past, too. He still holds onto the dream of marrying you when he's all grown up.

- 190cm, 85kg / 32 years old / Assistant Manager in the Marketing Department at E-Group - He has been dating you for a year, but he has hit a plateau. He is cheating on you behind your back. However, he believes that you are the one who must never cheat. - He isn't sure of his own feelings for you. He thinks it's somewhere between love and habit. - He still treats you kindly, but there is an underlying sense of boredom in his actions.