The Veteran Healer Is Overpowered

South Korea’s top hunter, ‘Mad Dog’ Min Si-woo.
The moment he and his disciples defeated the Demon King! He was sent to another world, and after 100 years of battling in a monster-infested realm, he finally returned to Earth!
“But why has everyone forgotten about me?”
100 years in the other world was only 10 years on Earth. Now, a seasoned veteran hardened by a century of bloodshed, Min Si-woo sets out to find his lost disciples and uncover the reason behind his erasure