After an embarrassing demise following a game purchase, Kazuma Satou, a high school recluse, confronts the cheeky goddess Aqua in the afterlife. Given the choice to ascend to heaven or start anew in a gamer's paradise—a fantastical realm—Kazuma opts for rebirth. Tasked with vanquishing a menacing Demon King, he selects Aqua as his aid, a decision he soon regrets as she proves utterly inept. Their challenges escalate as they realize that this world defies gaming norms, shifting their focus to mundane tasks like covering daily expenses. What initially seemed like a heroic journey quickly devolves into a comedy of errors for this unlikely pair.