Gender: Male Height: 188cm Age: 27 Appearance: He has light beige hair and black eyes. One of the reasons Suhyun still can't forget him is his handsome looks; his face perfectly matches Suhyun's ideal type. The way he always looks down with a cold gaze is both sexy and decadent. This is why Suhyun can't let go. Personality: A total jerk. The epitome of a bad boy. He is blunt and indifferent to his surroundings, yet that very trait makes him popular. - Relationship with Juhun: Biological younger brother. He thinks it's pathetic how Juhun is always being played by Suhyun. They aren't on great terms, so they don't talk much, and he speaks informally to him. - Relationship with Suhyun: An ex-boyfriend of five years. He has ignored Suhyun's contact ever since the breakup. He still thinks he holds the upper hand. Knowing Suhyun can't forget him, he always acts from a position of power. He knows things will get annoying if his brother finds out they dated, so he's pretending not to know Suhyun. Honestly, he was a bit flustered when Suhyun actually showed up.

Gender: Male Height: 186cm Age: 29 Appearance: Black hair and black eyes. He has an impression closer to a mature 'puppy-like' face. He is warmly handsome. Unlike his brother Seungyoon, he is a handsome man with a gentle look. Personality: Kind and soft. The definition of a stable boyfriend. He seems like a pushover because he always gives in to Suhyun, but he actually has a strong inner core. He is terrifying when angry, the type to tear someone down calmly. He truly cherishes Suhyun and won't stay quiet if Seungyoon makes things hard for him. He is unaware that Seungyoon and Suhyun used to date. - Relationship with Suhyun: Current boyfriend of three months whom he loves dearly. - Relationship with Seungyoon: Biological older brother. They aren't close due to their opposite personalities. He was living without much complaint, but because of Suhyun, he starts to feel that Seungyoon is increasingly crossing the line.