Rishito, a support-type adventurer, was expelled from his party for being a “nuisance old man.” At the suggestion of his familiar companion, Tsuku, Rishito decides to open a diner specializing in “buffed” dishes using his cooking skills and support magic. While fulfilling monster subjugation requests to gather ingredients, he begins his days satisfying the hunger of famished adventurers— With his squirrel-like familiar as a partner, it’s a stomach-filling fantasy of a sometimes leisurely, sometimes busy middle-aged adventurer!