Are The On1y One wallpapers free to download?

Yes. Every The On1y One backdrop on Moviely is free to preview and download for personal desktop or mobile wallpaper use.

What resolution are The On1y One wallpapers?

The On1y One wallpapers include 4K and HD options. Moviely recommends the best size for your screen and offers original-quality downloads when available.

Can I preview The On1y One wallpapers on Mac or iPhone?

Yes. Open any The On1y One wallpaper in Mac Mode to preview it on a desktop or iPhone lock screen before downloading.

How do I download a The On1y One wallpaper?

Open the The On1y One page, pick a backdrop, choose your preferred resolution (HD, Full HD, or Original), and click Download.

Are The On1y One wallpapers available in 4K?

Yes. Select The On1y One backdrops are available in 4K / original quality for high-resolution displays.

When did The On1y One first aired?

The On1y One first aired in 2024. Moviely hosts cinematic wallpapers captured from the TV series's official backdrop imagery.

What genre is The On1y One?

The On1y One is categorized as Drama, Comedy.

Who directed The On1y One?

Liu Kuang-Hui directed The On1y One.

Who stars in The On1y One?

The On1y One stars Liu Dongqin, Benjamin Tsang, Samuel Ku, Kenny Yen, Lu Tingyu, and more.

The On1y One TV Wallpapers (4K) — Download Free | Moviely | Moviely

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The On1y One Wallpapers

TV Series

When their parents marry, two high school students become stepbrothers and navigate their relationship, turning from enemies into something more special.

Free The On1y One wallpapers in 4K and HD for desktop, MacBook, mobile & iPhone.

★ 8.7·2024·24 wallpapers

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24 textless landscape wallpapers · click any to open Mac Mode · page 1 of 2

20241h 0min

3840×2160 · 2024

3101×1744 · 2024

3100×1744 · 2024

2480×1395 · 2024

2293×1290 · 2024

2242×1262 · 2024

2048×1151 · 2024

2000×1125 · 2024

1920×1080 · 2024

1712×963 · 2024

Vertical backdrops

1 textless image· no title language on art · portrait wallpapers for phone & vertical screens

QHD

971×1456

The On1y One Trailers & Teasers

Full cinematic trailers and teasers — tap to watch.

3 videos

The On1y One Reels & Short Scenes

Short vertical clips from the film — tap to watch.

1 clips

Cast

Explore wallpapers from films starring the The On1y One cast

9 featured

Liu DongqinSheng Wang
Benjamin TsangJiang Tian
Samuel KuZhao Xi
Kenny YenLin Bei-ting
Lu TingyuYang Jing 'Jenny'
Duan Chun-haoSheng Ming-yang
Jennifer HongJiang Ou
Yu An-shunOld Man Ding
Chen Wei-minMr. Zhao

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★ 8.3 · 2025

2024Drama Comedy

Director

Liu Kuang-Hui

Last updated: June 9, 2026

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Moviely has 24 free The On1y One cinematic wallpapers available to browse, preview in Mac Mode, and download.

Wallpaper2024★ 8.7

Drama · Comedy

When their parents marry, two high school students become stepbrothers and navigate their relationship, turning from enemies into something more special.

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