
His Promise Became My Cage
A researcher trapped by a fearsome Siren rediscovers an old promise and fights to make their love legally possible.
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About His Promise Became My Cage
Human researcher Erin travels to Emerald Atoll to study Auren, a fearsome deep‑sea Siren. When she tries to flee, Auren captures her and forces her to take a transformative magic pearl. Trapped underwater, Erin regains lost childhood memories of their old promise. To legally stay with him, she tricks and imprisons Auren until Sirens gain sentient‑being rights. She confesses her love, they reconcile, and raise their tailed child.
Original synopsis supplied by the catalog. May contain spoilers.Why watch His Promise Became My Cage?
- A human researcher and Siren drive the central conflict.
- Magic and underwater captivity shape the romance.
- Recovered memories lead toward reconciliation.
Who is this story for?
- Viewers who enjoy dark supernatural romance.
- Suitable for audiences interested in captivity, memory, and reconciliation.
- For those drawn to human and Siren relationships.
What to expect
- Human researcher and deep-sea Siren
- Transformative magic pearl
- Recovered childhood memories
- Captivity and reconciliation
- Tailed child
Lead character
Dual Lead
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Your watching questions
Where can I watch His Promise Became My Cage?
The catalog lists this title on ShortMax. 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 ShortMax 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 The Male Slave is a Girl: The Lion King's Fated Mate, which shares the romance and fantasy and supernatural and hidden-identity and strong-female-lead themes. You can also browse the full romance collection.











