I unexpectedly awakened the "weakest SSS-class in history" Slime, which is recognized by the entire school. It's soft, squishy, and harmless-looking, and when it was ridiculed to the extreme by all of humanity, even fellow Beastmasters looked down on me. At that moment, the dormant system in my mind suddenly flashed with an apocalyptic warning, and the counterattack begins!
Cute but Cataclysmic has 61 episodes (ongoing).
Dusty Star House
You can watch Cute but Cataclysmic 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.
Cute but Cataclysmic has 61 episodes on Runotoon so far, and new episodes are still coming. Together they run about 3 hours. The latest episode came out on October 18, 2026.
I unexpectedly awakened the "weakest SSS-class in history" Slime, which is recognized by the entire school. It's soft, squishy, and harmless-looking, and when it was ridiculed to the extreme by all of humanity, even fellow Beastmasters looked down on me. At that moment, the dormant system in my mind suddenly flashed with an apocalyptic warning, and the counterattack begins!
