Reiko Fujikura is a free-spirited mother who goes braless every day. Blessed with a voluptuous bust, she moves through daily life—shopping, cleaning, and more—without wearing a bra. Her son worries about her at first, but she pays it no mind. As days pass, his concern gradually transforms into a deeper desire—to touch and grope her breasts. Driven by uncontrollable urges, the moment finally arrives—.