Newbie Management is a Manga/Manhwa/Manhua in (English/Raw) language, Isekai series, english chapters have been translated and you can read them here. You are reading Newbie Management chapters on viptoon.net, fastest updating comic site. The Summary is
I want to go home!” The hero that was summoned to an isekai, Cage Through difficulties and struggle he succeeds in beating the Demon King Just as for a moment he was joyed that he could finally go back home, he had returned to the beginning when he realized The conclusion he reached after reaching the state of past mastery, taking down the Demon King, the Strongest Person of the isekai with his bare hands due to repeating through countless returns. “If I can’t do it let’s get another bastard to take down the Demon King!” To return home the hero starts a newbie hero management!