
The Summer I Slept With My Boyfriend's Brother
After discovering her boyfriend's affair, Lily fakes amnesia and is told his older brother is her boyfriend.
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About The Summer I Slept With My Boyfriend's Brother
During their final summer before college, Lily is devastated to discover that Finn, her boyfriend of four years, is having an affair with her best friend, Serena. Following a head injury, Lily seizes the opportunity to fake amnesia. To clear the way for his new romance, a selfish Finn absurdly convinces Lily that his older brother, Connor, is actually her boyfriend.
Original synopsis supplied by the catalog. May contain spoilers.Why watch The Summer I Slept With My Boyfriend's Brother?
- The opening betrayal creates a sharp emotional hook.
- Lily's fake amnesia enables a high-stakes mistaken-identity setup.
- The story develops tension between a woman and her boyfriend's brother.
Who is this story for?
- Viewers who enjoy messy young-adult relationship drama.
- Suitable for audiences drawn to betrayal, mistaken identity, and forbidden romance.
What to expect
- Summer romance
- Cheating
- Fake amnesia
- Mistaken identity
- Brother's romance
Lead character
Female Lead
Story tags
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Your watching questions
Where can I watch The Summer I Slept With My Boyfriend's Brother?
The catalog lists this title on sereal. Check the viewing panel for a verified link to this specific drama. Platform listings do not guarantee availability in every country.
Are free episodes available?
We don’t have confirmed free episode information for this title yet. Check sereal for current access and prices. No episode count or subscription price is assumed here.
What language is this version?
This catalog entry is listed in English. Audio and subtitle options may differ on the viewing platform.
What should I explore next?
Try My Rival’s Secret Crush, which shares the romance and drama and teen-young-adult and betrayal and enemies-to-lovers and love-triangle themes. You can also browse the full romance collection.











