Although she is frequently criticized for her intelligence, Minami Tani takes great delight in savoring delectable bread every morning for breakfast. During her search for the perfect slice, she meets the elegant and poised Yuu Aizawa and the cheerful and lively Fuyumi Fukagawa, who also share her love for baked goods. Together, they are joined by petite Noa Sakura, who sees bread as her ultimate source of strength. As they travel the world in search of every type of bread imaginable, the girls' camaraderie becomes stronger and deeper.