Everyone has the name of their soulmate written on their arm.

Except Chanyeol.

He doesn't have a soulmate and it is said that those who don't have a name on their arm die painfully lonely.

Chanyeol doesn't want this fate and tries to find a way out of it.

He visits the library to study some books about finding a soulmate and meets a librarian who leaves a huge impact on his feelings.