Koizumi, a stunning high school scholar, goes to great lengths to satisfy her passion for ramen, whether it's standing in the sweltering sun for hours or traveling miles away from home. However, Koizumi's solitary ramen excursions are altered when her classmate, Yuu Oosawa, becomes smitten with her and starts tagging along uninvitedly. As Yuu watches Koizumi consume massive quantities of ramen with awe, she is introduced to a plethora of ramen types by arguably the most knowledgeable connoisseur in the field!