The One and Only
A contract killer gets entangled with a murder case and three terminally ill women who have each decided to end the life of one person before they die.
Where to watch The One and Only in United States
Rakuten VikiClick a service to open The One and Only there. Availability last verified on June 21, 2026.
Where is The One and Only streaming around the world?
| Country | Streaming on | Rent / Buy |
|---|---|---|
| United States | Rakuten Viki | — |
| Canada | Rakuten Viki | — |
| Germany | Rakuten Viki | — |
| South Korea | wavve, Watcha, TVING | — |
About The One and Only
The One and Only is a 2021 Korean-language drama series created by Moon Jung-min. The cast is led by Ahn Eun-jin, Kim Kyung-nam, Moon Seong-hyun. It spans 1 season and 16 episodes and has concluded. In United States, it is currently streaming on Rakuten Viki.
The One and Only was produced by KEYEAST and JTBC Studios and made in South Korea. It was first aired on December 20, 2021.
- Director
- Oh Hyun-jong
- Created by
- Moon Jung-min
- Writers
- Moon Jung-min
- First aired
- December 20, 2021
- Last aired
- February 8, 2022
- Original language
- Korean
- Status
- Ended
- Seasons
- 1 (16 episodes)
- Network
- JTBC
- Country
- South Korea
- Production
- KEYEAST, JTBC Studios
The One and Only cast & crew
The One and Only was created by Moon Jung-min and written by Moon Jung-min.
The cast features Ahn Eun-jin as Pyo In-sook, Kim Kyung-nam as Min Woo-cheon, Moon Seong-hyun as Min Woo-Cheon (teen), Kang Ye-won as Kang Se-yeon, JOY as Sung Mi-do, and Goh Doo-shim as Yook Sung-ja.
Behind the camera, the score was composed by Kim Jun-seok.
Is The One and Only worth watching?
With 1 season and 16 episodes, it's a meaty weekend watch.
If you enjoy drama, The One and Only is worth a place on your watchlist.
How and where to watch The One and Only
In United States, you can stream The One and Only 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.
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Cast of The One and Only
Ahn Eun-jin
Pyo In-sook
Kim Kyung-nam
Min Woo-cheon
Moon Seong-hyun
Min Woo-Cheon (teen)
Kang Ye-won
Kang Se-yeon
JOY
Sung Mi-do
Goh Doo-shim
Yook Sung-ja
Jang Hyun-sung
Pyo Gang-Sun
Seo Yeon-woo
Ha San-A
Ahn Chang-hwan
Shin Tae-il
Choi Young-woo
Park Seung Seon
Han Kyun-yu
Gu Ji-pyo
Do Sang-woo
Cho Shi-young
The One and Only — FAQs
▸Where can I watch The One and Only in United States?
The One and Only is streaming on Rakuten Viki in United States.
▸Is The One and Only on Rakuten Viki?
Yes — The One and Only is currently available on Rakuten Viki in United States.
▸What language is The One and Only in?
The One and Only is originally in Korean. Subtitle and dub options vary by streaming service.
▸How many seasons of The One and Only are there?
The One and Only has 1 season with 16 episodes in total.
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