6 eps
New on Back'n'Time
My Mate's Mistress Is My Younger Sister, And Her Pup Replaced Mine
Episodes 1–6 stream here.
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.
After eighteen years raising Hayden, Sylvana discovers he is her husband Caelan’s pup with her younger sister Mirabel—and her real daughter was stolen and abused overseas. The patent genius behind Caelan’s empire signs with his rival, rescues Yuna, exposes the bloodline swap, and drags her husband, sister, fake son, and cruel parents through a legal and financial reckoning.
- Episodes
- 6
- Language
- English
- Free here
- Episodes 1–6
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See allQuestions people ask
How many episodes are there in My Mate's Mistress Is My Younger Sister, And Her Pup Replaced Mine?
My Mate's Mistress Is My Younger Sister, And Her Pup Replaced Mine 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 My Mate's Mistress Is My Younger Sister, And Her Pup Replaced Mine 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 My Mate's Mistress Is My Younger Sister, And Her Pup Replaced Mine about?
The story section above has the setup without spoilers past episode 6.
What language is My Mate's Mistress Is My Younger Sister, And Her Pup Replaced Mine 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. My Mate's Mistress Is My Younger Sister, And Her Pup Replaced Mine carries on in the official app — we'll open it at this episode.
Continue in the official appKeep watching 1–6