One Punch Man Gets Help from the Ancient Country

The powerful ancient country is said to have experienced countless god-level disasters, but they were all resolved. The Heroes Association finally considered that the heroes of the Association alone could no longer face the next crisis. So he asked the ancient country for help. The three young men who came from afar looked ordinary. But according to the news from the ancient country, these three people are all strong men who can reach the hero S level. How is this possible? The people in the Hero Association don't believe it anyway. However... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.