I'm Getting Married To My Ex-Boyfriend

Yeon Seungheon. Not only was he the nation’s younger brother, whom we all watched grow up before our very eyes, but he was also my ex-boyfriend who vanished into thin air seven years ago. Afterward, he was absolutely nowhere to be found, but then all of a sudden he’s a contestant on ‘Happy Marry’, a same-sex dating reality show…? This time, I’m determined to find out– what was the reason for leaving me alone and disappearing?!