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Narato Studio
You can watch I Swapped My Cruel King for A True Dragon online on Runotoon, in the web browser on your phone or computer. There is no app to download. Start with Episode 1.
The first 10 episodes are free, and you don’t need an account to start. Each of the other episodes unlocks with 15 Coins. A new free account comes with 75 Coins, you can collect free Coins every day, and Runotoon Pass adds Coins every week. It is included in Runotoon Pass: Pass members open every episode without Coins.
I Swapped My Cruel King for A True Dragon has 75 episodes on Runotoon so far, and new episodes are still coming. Together they run about 3 hours. The latest episode came out on October 25, 2026.
Reborn after being murdered by the infertile Crown Prince, Golden Dragon heiress Aurelia discovers he has returned too. She marries the overlooked Silver Dragon Prince Cassian instead. When she bears an Ancient-Blood Golden Dragon, her arrogant ex can only watch everything he wanted become another man’s.
Yes. Its original language is English, and it has subtitles in German, Spanish, Filipino, French, Indonesian, Italian, Brazilian Portuguese, Thai, and Vietnamese. Some languages may not cover every episode yet.
















First 10 episodes free, no sign-up