Blue Birthday(2023)

Blue Birthday is a Japanese drama series that follows Ozaki Karin, who loses her childhood sweetheart Soma Jun on her 17th birthday. A decade later, on her 27th birthday, Karin discovers a film camera and photographs Jun left behind, reigniting painful memories. In an emotional moment, she burns the photos and is mysteriously transported back to the day they were taken. Karin begins traveling between past and present, determined to prevent Jun's suicide and uncover the truth about his death. As she moves through time, she confronts long-buried secrets and the real reasons behind the tragedy that shaped her life.