15 eps
New on Back'n'Time
Boy or Girl? Who's the Pro?
Episodes 1–10 stream here. Episode 11 onward continues in the official app.
Episodes15 episodes · 1–10 free here · 11–15 in the official app
Free on Back'n'TimeContinues in the official app
The story
Quick answer: 15 episodes, English original audio, and episodes 1–10 play right here tonight.
Lydia’s brother was forced to quit the esports tournament due to an eye injury. To fulfill his dream, Lydia disguises herself as a boy to join an esports team.
She rises to fame overnight and makes it to the Finals. But problems follow: now living under the same roof with three male teammates, how can she keep her secret that she's actually a girl?
- Episodes
- 15
- Language
- English
- Free here
- Episodes 1–10
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Questions people ask
How many episodes are there in Boy or Girl? Who's the Pro??
Boy or Girl? Who's the Pro? has 15 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; episodes 11–15 continue in the official app.
Can I watch Boy or Girl? Who's the Pro? for free?
Yes — the first 10 episodes are free to watch on this page, no account and no sign-up. From episode 11 the series continues in the official app, where the platform's own unlock options apply.
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 Boy or Girl? Who's the Pro? about?
The story section above has the setup without spoilers past episode 10.
What language is Boy or Girl? Who's the Pro? in?
The audio is English. It was added to Back'n'Time on Oct 29, 2026.
How watching works
Start here, free
Hit “Watch episodes 1–10 free” and play the first 10 episodes on this page. No login, no card.
Tap episode 11
When the free part ends on its cliffhanger, tap episode 11 or any locked tile in the grid above.
Finish in the official app
We send you to the official app at the same episode, where the remaining 5 episodes continue.
Back'n'Time only offers a free preview of episodes 1–10. The complete series, and any unlocks after episode 10, are provided by the official platform.
Episode 11 continues in the app
You've watched the free part. Boy or Girl? Who's the Pro? carries on in the official app — we'll open it at this episode.
Continue in the official appKeep watching 1–10