My Only One Facts, FAQ & Common Questions
2018 · KBS2 · Status: Ended · Rated: Not Rated
Frequently Asked Questions About My Only One
Direct, verified answers to the most common queries regarding episodes, renewals, watch order, and streaming availability.
How many seasons and episodes does My Only One have?
My Only One has 1 season and 106 total episodes, spanning from its premiere on September 15, 2018 to March 17, 2019.
Is My Only One renewed, ended, or canceled?
My Only One has concluded its run and is officially ended.
How long does it take to binge watch My Only One?
It takes 123h 40m (7420 minutes) to watch the complete run of My Only One. At a standard pace of 2 hours per day, you will finish the entire series in approximately 62 days. Not realistic for a 48-hour weekend. At 123.7 total hours, watching at a healthy 2 hours per day will take approximately 62 days.
What is the highest-rated episode of My Only One?
The highest-rated episode is Season 1, Episode 1 ("Episode 1"), which holds an outstanding rating of 4/10 based on 1 audience ratings.
Where can you stream or watch My Only One?
My Only One is available for streaming on Kocowa. Availability may vary by regional territory, subscription tier, and digital purchase availability.
What is the official age rating for My Only One?
My Only One has an official content rating of Not Rated.
Who are the lead actors in My Only One?
The primary ensemble cast includes Choi Soo-jong as Kang Soo-Il (age 63), Uee as Kim Do-Ran (age 38), Lee Jang-woo as Wang Dae-Ryook (age 40), Yoon Jin-yi as Jang Da-Ya (age 36).
Ensemble Cast & Current Ages
Lead cast members, their character identities, and current ages calculated from official biographical records:
| Actor | Character | Current Age |
|---|---|---|
| Choi Soo-jong | Kang Soo-Il | 63 |
| Uee | Kim Do-Ran | 38 |
| Lee Jang-woo | Wang Dae-Ryook | 40 |
| Yoon Jin-yi | Jang Da-Ya | 36 |
| Jeong Eun-woo | Wang Yi-Ryook | 40 |
| Na Hye-mi | Kim Mi-Ran | 35 |
| Park Sung-hoon | Jang Go-Rae | 41 |
| Koh Woo-ri | So Young-Bae | 38 |
Editorial Verification & Sources
All production facts, air dates, cast credentials, and streaming metadata for My Only One are compiled from official broadcaster archives, TMDB, and Wikidata records. Last verified on September 25, 2026.