Are Blue Birthday wallpapers free to download?

Yes. Every Blue Birthday backdrop on Moviely is free to preview and download for personal desktop or mobile wallpaper use.

What resolution are Blue Birthday wallpapers?

Blue Birthday wallpapers include 4K and HD options. Moviely recommends the best size for your screen and offers original-quality downloads when available.

Can I preview Blue Birthday wallpapers on Mac or iPhone?

Yes. Open any Blue Birthday wallpaper in Mac Mode to preview it on a desktop or iPhone lock screen before downloading.

How do I download a Blue Birthday wallpaper?

Open the Blue Birthday page, pick a backdrop, choose your preferred resolution (HD, Full HD, or Original), and click Download.

Are Blue Birthday wallpapers available in 4K?

Yes. Select Blue Birthday backdrops are available in 4K / original quality for high-resolution displays.

When did Blue Birthday first aired?

Blue Birthday first aired in 2021. Moviely hosts cinematic wallpapers captured from the TV series's official backdrop imagery.

What genre is Blue Birthday?

Blue Birthday is categorized as Sci-Fi & Fantasy, Drama, Mystery.

Who directed Blue Birthday?

Park Dan-hee directed Blue Birthday.

Who stars in Blue Birthday?

Blue Birthday stars YERI, Yang Hong-seok, Lee Sang-jun, Kim Gyeol-yu, Ju Hyeon.

Blue Birthday TV Wallpapers (4K) — Download Free | Moviely | Moviely

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Blue Birthday Wallpapers

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Her first love passed away on her birthday 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.

Free Blue Birthday wallpapers in 4K and HD for desktop, MacBook, mobile & iPhone.

★ 5.7·2021·3 wallpapers

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1980s 1990s 2000s 2010s 2020s

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3 textless landscape wallpapers · click any to open Mac Mode

202124min

3840×2160 · 2021

2923×1644 · 2021

1280×720 · 2021

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2 portrait wallpapersfor phone & vertical screens · tap to preview on iPhone

2000×3000

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Cast

Explore wallpapers from films starring the Blue Birthday cast

5 featured

YERIOh Ha-rin
Yang Hong-seokJi Seo-jun
Lee Sang-junCha Eun-seong
Kim Gyeol-yuDo Su-jin
Ju HyeonKim Ui-yeong

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2021Sci-Fi & FantasyDramaMystery

Director

Park Dan-hee

Last updated: June 10, 2026

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Moviely has 3 free Blue Birthday cinematic wallpapers available to browse, preview in Mac Mode, and download.

Wallpaper2021★ 5.7

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.

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