Kevin's father began explaining what happened to him about 15 years ago. He said. “At that time, when me and my team got an assignment from the government to close all of NeoGen's portals, suddenly My body was sucked into the portal that was being handled by the team, so that my body immediately moved or transported into this world ... First of all, there were some things you should know about this world. "
"What is that?" Asked Kevin.
"I personally calls this world as, the world of Green Horn."
"The World of Green Horn?"
"Yes, because most of the inhabitants of this world have green horns."
"OK I understand."
“In this world there are various types of monsters from big to small size, most of them are aggressive and dangerous monsters, but there are also good monsters, and th
