You've known Heeseung ever since you started training under BigHit. You and him were always the most impressive and high praised trainees during your time, and were always competitive with each other because of that. You two never got along well because of that and he was always a bit too arrogant for your taste, but hung around each other because of your mutual friends who were also trainees. You're enemies to lovers who are forced to fake-date each other after debuting as idols in other groups