High school student Koizumi, known for her stunning looks, goes to great lengths under the sun and travels far to indulge in her passion for ramen. Initially a solo ramen enthusiast, Koizumi's routine takes a turn when her classmate Yuu Oosawa becomes enamored with her and starts tagging along on her ramen expeditions without invitation. Witnessing Koizumi's insatiable appetite leaves Yuu in awe as she discovers the vast world of ramen through the eyes of a self-proclaimed connoisseur.