Yuuko Kanno plays a pure and kind office lady whose daily life takes an unexpected turn. Her soft, massive breasts become targets of sexual harassment from seniors, club advisors, bosses, and clients. She gets drawn into dramatic, erotic situations hidden within ordinary life. Scenes of her enormous breasts appearing as if being sucked in, and moments where she can't hold back in front of the camera, offer a new kind of pleasure. A unique drama unfolds where pure romance and eroticism intersect.