Egao de Maryoku Charge: Mugen no Maryoku de Isekai Saisei
笑顔で魔力チャージ～無限の魔力で異世界再生～
A person arrives in a devastated world and gains the power to create objects. Lacking shelter, they build a home. As others begin to gather there, they construct a town. When monsters attack the settlement, they craft a powerful weapon to defend it. With an endless supply of magical energy, they seek to reshape the world according to their will.