Blue Birthday

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.

Status: Ended

First Air Date: 2021-07-23

Origin Country: KR

Total Episodes: 16

Number of Seasons: 1

Original Language: ko

South Korea