Kikaku Hazure No Eiyuu Ni Sodate Rareta, Joushiki Hazure No Mahou KenshiAn Out of the Ordinary Magic Swordsman Brought up by a Nonstandard Hero ; 被反常规的英雄养育大的、常识外的魔法剑士 ; 規格外れの英雄に育てられた、常識外れの魔法剣士

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 !?