Seulgi was in an accident that causes a disorder. And because of the misfortunate event in her life, she comes back to the town where she grew up. Being away for five years, she notices there are changes in the town as it becomes progressive. She meets Irene again and realizes that not only the town has changed but also the person she knew, maybe she too, has changed during those five years.

YOUTH WITH YOU HIGH SCHOOL AU Delve into the story of friendship, comedy, teenage drama, and a pinch of romance as the story revolves around the third-year students of Qingchun You

The story is about Xiaotang's experiences of her relationships: ex-girlfriends, crushes, and flings. "Some love stories aren't epic novels. Some are short stories, but that doesn't make them any less filled with love." 

Xiaotang was on the verge of her realization that she has been pushing away. It was an inconvenience for her to deal with her feelings for her close friend.