An Out of the Ordinary Magic Swordsman Brought up by a Nonstandard Hero is a Manga/Manhwa/Manhua in (English/Raw) language, REINCARNATION series, english chapters have been translated and you can read them here. You are reading An Out of the Ordinary Magic Swordsman Brought up by a Nonstandard Hero chapters on ManhwaZ, fastest updating comic site. The Summary is
A young man who died in an accident while protecting a girl reincarnated in another world and was picked up by an old man. However, the old man wasn't just a person. Far from being just anybody, he was a "hero" who didn't understand common sense at all !! This is the story of a reincarnated person, Rain, who, fortunately or unfortunately, was raised by an unscrupulous hero and has acquired tremendous power. --Soon the boy grows up and makes a harem !?