Top mercenary "Phantom" Lily poses as the fiancée of Ethan, her benefactor from a decade ago and a CEO, to protect him. Publicly crippled by a car accident, he is secretly recovered and hunting a mole. Assassinations unravel their mutual masquerade, and together they crush the mastermind.
My Sweet Fiancée Is an Assassin has 65 episodes (ongoing).
No Money Production
You can watch My Sweet Fiancée Is an Assassin 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.
My Sweet Fiancée Is an Assassin has 65 episodes on Runotoon so far, and new episodes are still coming. Together they run about 2 hours. The latest episode came out on October 18, 2026.
Top mercenary "Phantom" Lily poses as the fiancée of Ethan, her benefactor from a decade ago and a CEO, to protect him. Publicly crippled by a car accident, he is secretly recovered and hunting a mole. Assassinations unravel their mutual masquerade, and together they crush the mastermind.
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.
