One-Punch Man Season 3

Saitama is passionate about being a hero, beyond fame or money. After three years of Special Training, he has now become unbeatable. Saitama can defeat opponents with just one punch. He serves the Hero Association along with his student, Genos, to save the city.

All sudden, monsters of the Monster Association appear to capture the child of the Hero Association leader. Top S-class heroes gather to make a raid on monsters to save hostages. However, Garou, a human association, is also kidnapped and wakes up in their place.