"When the disaster will strike, a hero will arrive and together with his two friends aswell as other allies he will put an end to it."

Young boy suddenly finds himself floating in an unfamiliar space together with his two childhood friends. He then hears a feminine voice speak, asking them to save the world, uncover mysteries, and become the hero, after which he and his two friends are sent to another world. This is a story of how someone with no knowledge and no strength, through training, making allies, learning, and enjoying life, becomes a hero.