A noble lady holds a scarlet blood contract that records her family’s painful history of betrayal. She makes a careful long‑term revenge plan against those who destroyed her clan. Every move she makes brings her closer to taking everything back.
Dusty Star House
You can watch Scarlet Duchess 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.
Scarlet Duchess has 29 episodes on Runotoon so far, and new episodes are still coming. Together they run about 42 minutes. The latest episode came out on October 18, 2026.
A noble lady holds a scarlet blood contract that records her family’s painful history of betrayal. She makes a careful long‑term revenge plan against those who destroyed her clan. Every move she makes brings her closer to taking everything back.
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.
