The Veteran Healer Is Overpowered

South Korea’s top hunter, the ‘Mad Dog’ Min Siwoo.
The moment he and his disciples defeated the Demon King, he was sent to another world.
After a hundred years of battle in a monster-filled realm, he has finally returned to Earth! “But why has everyone forgotten about me?” A hundred years in the other world was only ten years on Earth.
Having become an ultimate veteran through a century of bloodshed, Min Siwoo sets out to find his lost disciples and uncover the reason behind his forgotten existence! [Food, buy me some chicken.]
…Alongside Pre, a mysterious being he encountered in the other world!