You were born with a special ability, you can see how many times a person's heart got broken.. the worst number you’ve saw was your own mother’s number which is 5836 times.. When you were 7 you moved to the United States and recently you went back to Korea.. and was transferred to Gimpo Jeil Technical High School (it’s lino’s real hs btw).

On your first day, you could see everyone’s number except someone called Lee Minho, his number was a blank, which was weird.. because it’s impossible that no one ever never get heartbroken before..

The teacher introduce you to the class, and you notice Minho seems unbothered about everything.. that make you more curious about him.. your teacher ask you to seat next to Minho..