07/23/2021 (KR) • 24m
Her first love passed away on her birthday
Overview
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.
2021 | 16 Episodes
Season 1 of Blue Birthday premiered on July 23, 2021.
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