One-Punch Man Season 3

After intense training, Saitama became the strongest man alive. He can defeat anyone with just one punch. He started all this as fun, and now he has become the strongest one. He later started a Hero Association. Where all the best heroes train and get ready to fight against monsters. They set out on a mission to attack the Monster Association, and there they awakened Garou, the human monster. After that, the ultimate war between heroes and monsters begins.