Eri, a Holstein cow, lives a life of serene predictability within the familiar fences of her mountain ranch. Her world, a gentle cycle of grazing and contentment, is irrevocably altered the day the sleek Jersey cows arrive, bringing with them a whisper of the outside world. Among them is Sou, a vision that stops Eri's bovine heart mid-beat, sparking an undeniable, all-consuming love at first sight. This isn't just a fleeting crush; it's a profound yearning that demands more than simple admiration. To truly understand and express the depth of her feelings for Sou, Eri embarks on an extraordinary journey, willingly facing a series of unconventional trials and tribulations. Get ready for a heartwarming tale of devotion, self-discovery, and the lengths one cow will go for love.