6 eps
Episodes6 episodes · 1–6 free here
Free on Back'n'Time
The story
Quick answer: 6 episodes, English original audio, and episodes 1–6 play right here tonight.
In order to investigate the mystery of his wife's death, he hid his identity as a security guard and brought his child to his sister-in-law to protect her secretly. Unexpectedly, his sister-in-law took out a black card and said, 'One million, I want to be the mother of your child!
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- Episodes
- 6
- Language
- English
- Free here
- Episodes 1–6
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Questions people ask
How many episodes are there in One Day: Marry That Security?
One Day: Marry That Security has 6 episodes in total. Short dramas run about one to two minutes an episode, so it is an easy one-sitting binge. Episodes 1–6 play right here on Back'n'Time.
Can I watch One Day: Marry That Security for free?
Yes — the first 6 episodes are free to watch on this page, no account and no sign-up.
What happens after episode 6?
Tap episode 7, or any tile with a lock on it, and we hand you over to the official app at that episode. If the app isn't installed yet, you'll land on its store page first. We don't host the locked episodes and we never ask for payment details.
What's One Day: Marry That Security about?
The story section above has the setup without spoilers past episode 6.
What language is One Day: Marry That Security in?
The audio is English. It was added to Back'n'Time on Nov 2, 2026.
Episode 7 continues in the app
You've watched the free part. One Day: Marry That Security carries on in the official app — we'll open it at this episode.
Continue in the official appKeep watching 1–6