Plot
The series tells the story of Oh Ha-rin, who travels to the past through mysterious photos left by her first love, Ji Seo-jun. Since they were eight years old, they had been close friends, but he died by suicide on her birthday ten years ago.
Cast
Yeri
as Oh Ha-rin
Yang Hong-seok
as Ji Seo-jun
Lee Sang-jun
as Cha Eun-seong
Kim Gyeol-yu
as Do Su-jin
Ju Hyeon
as Kim Ui-yeong