Mixed Martial Arts; Three Fools Taking over the World

Three silly writers accidentally traveled to an unknown world and received a task given by the system - to reach the 'Thunder Mountains'. The awakening skills are related to the works I have written before. I thought it could start a prosperous life, but when I entered this world where martial arts was respected, I realized how weak I was. There are two major forces in this world - humans and alien beasts. But with the arrival of the time travellers, it became three major forces. The three of them are like a small boat in a river, running towards the Thunder Mountains while trying to solve the mystery of collective travel... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.