Oops! I Had A Demon Son With The Fallen Devil has 30 episodes (ongoing).
Lantern Alley Pictures makes vertical short dramas built on cliffhangers, revenge and second chances.
You can watch Oops! I Had A Demon Son With The Fallen Devil 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.
Oops! I Had A Demon Son With The Fallen Devil has 30 episodes on Runotoon so far, and new episodes are still coming. Together they run about 68 minutes. The latest episode came out on November 4, 2026.
After a fateful encounter with the fallen angel Lucifer during a moment of despair Molly gives birth to Lucas, a son born with dark wings. Five years later, Lucifer-now a powerful Mafia kingpin-crosses paths with them on his cruise ship, sparking a high-stakes struggle over the "Son of Hell" and the impending judgment of the heavens. To protect his family, Lucifer dares to challenge the divine, while Molly discovers her own hidden identity as a fallen angel. Ultimately, Molly awakens the power of space-time to reverse the devastation and secure a chance for their family's future.
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.
