MTL - History’s Strongest Senior Brother - ~ 3. Good play stage (seeking a recommendation ticket! Seeking a collection!)

Four years after the Third Nightmare, something unexpected happens. A group of people find themselves in a strange theatre, which tells them to react to someone's story...?

Leon, who suddenly died from the wear and tear of his corporate drone life, got a second chance in America. This time he wanted to live a different life and incidentally find out just how far human limits could go.----------Featuring: Riding, Running, Arm-wrestling competitions, Titan Games, Slapping Contests, Strongman Competitions, UFC Mixed Martial Arts

The hero who was killed by the demon king ended up reincarnated as the son of the one who killed him! Thus began the life of the hero who donned in the mask of the ideal demon prince to topple his own kingdom while doing his best to prevent anyone from discovering his identity―― But to do that and blend into the demon tribe society, he had to kill his former comrades. Nevertheless, to become stronger, to save humanity, he had to walk through all kinds of paths of carnage! This is the tale of the demon race’s fake prince destroying his own kingdom.

O Hero, Trample Those Who You Should Protect!

TN: Most part of the other character in the novel is depicted from a non-human perspective so expect something that is completely different from the common sense of human.

Our protagonist Caam is a man from Earth that was reincarnated into this world as a demon. In order to survive, he spared no effort in avoiding the sparks of battle and without noticing it, he became strong himself.