Yusuke Tagami, an ordinary young gamer, is summoned to the world of Caltsio by a mysterious voice and saddled with the title Evil God of Calamity. The role comes with one sweeping power, Customize Creation, which lets him alter and craft almost anything: strengthening weapons, reshaping terrain, even changing how food tastes. Rather than live up to the menacing title, Yusuke uses the ability to build a place for himself and help the people he meets across this isekai world. This manga adapts the original web novel.