10 epsNew on Back'n'Time
OMG! His "Mistress" Is An Immortal!
Episodes 1–10 stream here.
Episodes10 episodes · 1–10 free here
Free on Back'n'Time
The story
Quick answer: 10 episodes, English original audio, and episodes 1–10 play right here tonight.
Sophie Drake, the last immortal, faces her final heavenly trial. Mistaken for Patriarch Shaw's lover upon arrival, she reclaims authority over the Four Families.
When Mrs. Shaw allies with the City Lord and Sorceress to poison Dragonville, Sophie performs Blood Alchemy to save the people, finally transcends Divine Wrath and achieve immortality.
- Episodes
- 10
- Language
- English
- Free here
- Episodes 1–10
More like thisSame energy, different night
See all
Questions people ask
How many episodes are there in OMG! His "Mistress" Is An Immortal!?
OMG! His "Mistress" Is An Immortal! has 10 episodes in total. Short dramas run about one to two minutes an episode, so it is an easy one-sitting binge. Episodes 1–10 play right here on Back'n'Time.
Can I watch OMG! His "Mistress" Is An Immortal! for free?
Yes — the first 10 episodes are free to watch on this page, no account and no sign-up.
What happens after episode 10?
Tap episode 11, 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 OMG! His "Mistress" Is An Immortal! about?
The story section above has the setup without spoilers past episode 10.
What language is OMG! His "Mistress" Is An Immortal! in?
The audio is English. It was added to Back'n'Time on Oct 16, 2026.
Episode 11 continues in the app
You've watched the free part. OMG! His "Mistress" Is An Immortal! carries on in the official app — we'll open it at this episode.
Continue in the official appKeep watching 1–10