Knowing that her boyfriend cheated on her, it's hurt for Jeong Yein. But somehow, she can still smiling. Because of a stranger introducing himself as Ong Seongwu

Of skateboards, scrapbooks, and a Valentine Night.

In which Kim Taehyung and Ryu Sujeong cross paths after a year of no personal communication.

He only saw a girl whom he had fallen in love with, only met a girl whom he had felt himself fall in love with each day, only found a girl whom he had let himself fall in love with forever.