Blue Birthday

Her first love passed away on her birthday

5.727 votes on TMDB2021TV Series24m

• Sci-Fi & Fantasy
• Drama
• Mystery

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.