The Cursed Student：Sovereign of Star-Dome has 50 episodes (ongoing).
Narato Studio
You can watch The Cursed Student：Sovereign of Star-Dome 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.
The Cursed Student：Sovereign of Star-Dome has 50 episodes on Runotoon so far, and new episodes are still coming. Together they run about 50 minutes. The latest episode came out on October 30, 2026.
Star Sovereign Emilio de León, caught in a dimensional storm, possesses Lex, a dying boy with Star Decay. His sister Valentina enters the academy for a star crystal and is humiliated; Lex secretly guides her to break through and reveals Astral Summoning, earning a tournament place. He defeats Planet Devourer Morgan but damages his foundation. Morgan’s remnant leader Fallon kidnaps Valentina; she shields Lex, awakening his full Sovereign power.
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
