The On1y One
When their parents marry, two high school students become stepbrothers and navigate their relationship, turning from enemies into something more special.
Where to watch The On1y One in United States
Rakuten VikiClick a service to open The On1y One there. Availability last verified on July 11, 2026.
Where is The On1y One streaming around the world?
| Country | Streaming on | Rent / Buy |
|---|---|---|
| United States | Rakuten Viki | — |
| India | Netflix | — |
| Canada | Rakuten Viki | — |
| Germany | Rakuten Viki | — |
| South Korea | wavve, Watcha, TVING | — |
About The On1y One
The On1y One is a 2024 Chinese-language drama and comedy series created by Mu Suli and Liu Kuang-Hui. The cast is led by Liu Dongqin, Benjamin Tsang, Samuel Ku. It spans 1 season and 12 episodes and has concluded. In United States, it is currently streaming on Rakuten Viki.
The On1y One was produced in Taiwan. It was first aired on August 22, 2024.
- Director
- Liu Kuang-Hui
- Created by
- Mu Suli, Liu Kuang-Hui
- Writers
- Wang Yu-chen, Liu Kuang-Hui
- First aired
- August 22, 2024
- Last aired
- September 26, 2024
- Original language
- Chinese
- Status
- Ended
- Seasons
- 1 (12 episodes)
- Network
- Netflix, Tencent Video
- Country
- Taiwan
The On1y One cast & crew
The On1y One was created by Mu Suli and Liu Kuang-Hui and written by Wang Yu-chen and Liu Kuang-Hui.
The cast features Liu Dongqin as Sheng Wang, Benjamin Tsang as Jiang Tian, Samuel Ku as Zhao Xi, Kenny Yen as Lin Bei-ting, Lu Tingyu as Yang Jing 'Jenny', and Duan Chun-hao as Sheng Ming-yang.
Behind the camera, it was produced by Liu Kuang-Hui and Ken Xu.
Is The On1y One worth watching?
With 1 season and 12 episodes, it's a quick, bingeable run.
If you enjoy drama and comedy, The On1y One is worth a place on your watchlist.
How and where to watch The On1y One
In United States, you can stream The On1y One on Rakuten Viki. Click any service above to open it directly.
Streaming rights change country by country and month by month, so the options above reflect United States today — switch your country at the top of the where-to-watch section to see availability elsewhere.
Rate & review
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Cast of The On1y One
Liu Dongqin
Sheng Wang
Benjamin Tsang
Jiang Tian
Samuel Ku
Zhao Xi
Kenny Yen
Lin Bei-ting
Lu Tingyu
Yang Jing 'Jenny'
Duan Chun-hao
Sheng Ming-yang
Jennifer Hong
Jiang Ou
Yu An-shun
Old Man Ding
Chen Wei-min
Mr. Zhao
The On1y One — FAQs
▸Where can I watch The On1y One in United States?
The On1y One is streaming on Rakuten Viki in United States.
▸Is The On1y One on Rakuten Viki?
Yes — The On1y One is currently available on Rakuten Viki in United States.
▸What language is The On1y One in?
The On1y One is originally in Chinese. Subtitle and dub options vary by streaming service.
▸How many seasons of The On1y One are there?
The On1y One has 1 season with 12 episodes in total.
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