as many other said already,but i still have to say it again because its so irritating , this guy got transported to another world , became a hero and fought the demon lord and cant think for a second that maybe some mystery shit is also happening in his world , WHILE he also still has his supernatural abilities which proves that this magic thing also works in his normal world, i refuse to believe someone can be so stupid and dense after fighting a life or death fight with the demon lord , the author is insulting the readers with this bullshit