Shortly after their debut, Jisoo discovers that Seungcheol is unable to perform onstage without first quietly hugging him.   

A lonely taxi driver, a rainy night, and a crying man. 

Lee Chan just wanted Jihoon to be a little less lonely.

In which Vernon's a successful businessman who feels like he's lost in his life of long meetings, mindless work, and no true happiness. Desperate to get away, he flies to a small island where he meets a lonely boy with a loud voice and a big heart.

In the bitter cold, Namjoon, a young man from a small village town overhears a strange rumor regarding a house resting on the northern mountain. It is said in that home there lives a young man whose heart has frozen over. Namjoon, determined to save his sick grandmother, accepts a job there in order to earn the money required for medicine. 

Lee Chan falls in love with the songs and the voice of a self-composing songwriter on the internet who goes by the name Woozi. However, Woozi suddenly stops posting music, and Chan vows to someday be able to inspire him to once again sing. So, he becomes a trainee at Pledis Entertainment and is assigned through a mentor program to a prickly music producer named Lee Jihoon. 

Gong Tae Kwang always needed a family. He eventually found it in the place he least expected.