The Genius Weakest Monster Tamer Wants to Return ~I was separated from my strongest attendant and flew to a strange land~

A brief description of the manga The Genius Weakest Monster Tamer Wants to Return ~I was separated from my strongest attendant and flew to a strange land~:

First time meeting, my name is Phil Garden. I was considered to have no talent, but I still tried my best to obtain a good status as a “monster messenger” and the honor of being entrusted to subdue the “devil king”, but in the process, I was involved in various unscrupulous things. The phenomenon he understood separated from the familiar, the slave, who helped him to become the strongest existence, and flew to a distant place. He has neither ability nor brothers, and is penniless. This is me losing everything under the conspiracy of the devil,[+expand]