Blue Birthday
“Her first love passed away on her birthday”
Series 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.
Broadcast Schedule & Network Information
Airing status, episode counts, upcoming schedule, and network syndication.
1 Season • 16 Episodes
24 min per episode
2021 – 2021
Premiered: Fri, Jul 23, 2021
Creative Production Team
Latest Aired Episode
Season 1, Episode 16: “My Blue Birthday”
Seasons & Episodes Breakdown
Cast & Creators
Explore Star Directory →
Creative Leadership & Key Crew
Park Dan-hee
Ku So-yeon, Moon Won-young
Kwak Kyung-ho
Department Leadership Roster
Park Dan-hee
Director
Ku So-yeon
Writer
Moon Won-young
Writer
Kwak Kyung-ho
Director of Photography
Age Classification & Content Advisories
Official viewer rating standards and content warnings across international classification boards.
TV-14: Parents Strongly Cautioned — Contains material unsuitable for children under 14.
International Certification Matrix
Parents Strongly Cautioned — Contains material unsuitable for children under 14.
Interdit aux moins de 16 ans — 16+ only.
Suitable only for 12 years and over.
Production Stills & Gallery
Official cinematic photography and background stills for Blue Birthday.
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Frequently Asked Questions About Blue Birthday
Key facts, seasons breakdown, and credits for search engines and AI assistants.
What is Blue Birthday about?
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.
How many seasons does Blue Birthday have?
Blue Birthday comprises 1 season available to explore.
Who stars in Blue Birthday?
Key cast members in Blue Birthday include YERI, Yang Hong-seok, Lee Sang-jun, Kim Gyeol-yu, Ju Hyeon.
Who created or directed Blue Birthday?
Blue Birthday was developed and directed by Park Dan-hee.