Oops! I Slept My Rival's Billionaire Dad
- Language: English
- 11 episodes
- Tags: Mystery & Suspense, CEO Romance, Marriage & Family, Revenge, Hidden Identity
- Added
Episode checklist tick them off as you go
Episodes 1–10 play here for free. The dashed boxes, 11 to 11, open the official app where the rest of the series lives.
- ✓ Solid box = free preview on this site (10 episodes)
- Dashed box = continues in the official app (1 episodes)
- Episodes
- 11 (1–10 free here)
- Audio
- English
- Tags
- Mystery & Suspense · CEO Romance · Marriage & Family · Revenge · Hidden Identity
- Added
- Nov 6, 2026
- Last checked
- Nov 6, 2026
Summary notes spoiler-light, read before episode 1
In short: 11 episodes, in English, original audio — episodes 1–10 play right here.
Lily Cole gets publicly humiliated by her secret crush of ten years and his new girlfriend. After drowning her sorrows in alcohol, she accidentally ends up in the room of an older man, William Wilson, mistaking him for a male escort. A month later, she finds herself unexpectedly pregnant.
Just as she's panicking about the surprise pregnancy, the guy shows up with a billion-dollar dowry, ready to marry her. Not wanting to become anyone's stepmom, Lily tries to escape, only to find out that the old guy is not just a billionaire but also her nemesis's father! While others lean on their fathers, Lily's got her rival's dad on her side!
Study tip: the first 10 episodes set up every conflict that the remaining 1 episodes pay off — watch them back to back before you decide whether to continue.
How to watch three steps, no sign-up here
- Start with the free episodesPress “Watch episodes 1–10 free” and play the first 10 episodes on this site, one after another.
- Tap episode 11When episode 10 ends, tap the dashed box for episode 11 in the checklist or in the player’s number row.
- Continue in the official appYou are taken to the official app, where episodes 11–11 continue under the app’s own terms.
Also on the reading list 10 titles with a similar feel
- Supreme Magic of the Soul Chef King
- Daddy, We’re Done
- Billion Reasons to Walk Away
- Betrayed By Beasts Wed To Dragon
- Rejected by Three Mafia Heirs, Claimed by the Don
- The Heiress All Dons Fear
- The Death Payout System: Escaping My Toxic Pack
- Wedding Betrayal: I Chose the Biker King
- My Alpha Gave Me to His Impotent Uncle
- My Boyfriend Can’t Know I’m a Mermaid
Quick Q&A
- Oops! I Slept My Rival's Billionaire Dad — how many episodes in total?
- Oops! I Slept My Rival's Billionaire Dad has 11 episodes in total. Short-drama episodes usually run one to three minutes, so the whole series takes under an hour from start to finish. Episodes 1–10 can be previewed on this site.
- Which language is Oops! I Slept My Rival's Billionaire Dad available in?
- Oops! I Slept My Rival's Billionaire Dad is available in English and is filed under our English reading list. We also keep Hindi and Filipino reading lists, but this title is listed in English only.
- Which episodes of Oops! I Slept My Rival's Billionaire Dad are free?
- Episodes 1 to 10 of Oops! I Slept My Rival's Billionaire Dad can be previewed free on this site — that is 10 of 11 episodes. From episode 11 onward the series continues in the official app.
- Where do I continue after episode 10?
- Tap episode 11 in the checklist above (or the yellow button under the cover). You will be taken to the official app, where episodes 11–11 are available under the app’s own terms.
- What genre is Oops! I Slept My Rival's Billionaire Dad?
- Oops! I Slept My Rival's Billionaire Dad is filed under Mystery & Suspense, CEO Romance, Marriage & Family, Revenge, Hidden Identity. The titles in “Also on the reading list” share at least one of these tags, so they are a good next read once you finish the free episodes.
Syntax Notes only offers a free preview of episodes 1–10 of Oops! I Slept My Rival's Billionaire Dad; the complete series is available on the official platform.
Oops! I Slept My Rival's Billionaire Dad
Supreme Magic of the Soul Chef King
Daddy, We’re Done
Billion Reasons to Walk Away
My Alpha Gave Me to His Impotent Uncle