Blue Birthday (2021)

Original name: 블루버스데이

Release date: July 23, 2021

Series

Average time: 24 minutes

Genres: Sci-Fi & Fantasy, Drama, Mystery

Synopsis: 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.