This is the vast Netherworld, where countless demons vie for supremacy. In one of these many Netherworlds, a veteran mercenary named Nueur is summoned by the Superlative Netherworld overlord Tisiel, who has a shocking request. “Someone ate the pudding from the refrigerator!” “I see… wait, the what from the refrigerator?” The pudding in question is the First Radiance Pudding, created by Tisiel’s now-deceased father, the former Superlative Overlord. It was eaten by a subordinate who staged a rebellion, and Tisiel wants it back. Thus begins the battle to reclaim the First Radiance Pudding, led by a lone mercenary and a fledgling overlord…!