Yuko, a beautiful and talented woman, is constantly belittled by her incompetent boss for being female. Determined to prove herself, she buries herself in work, ignoring romance. Today, oversleeping, she rushes to work braless. Her thin blouse reveals her large, round breasts and nipples to her boss, who mockingly offers her a bandage to cover up. With plans to launch a subsidiary led by Yuko, he can’t let that happen. One night, while she’s working late, he ties her hands, fondles her breasts, and fucks her in the office! He photographs it, forcing her to work braless with a vibrating egg. Inexperienced in sex, Yuko’s sensitive body soon craves his touch after a few fucks and nipple play. When he suddenly ignores her, she goes mad with lust, obeying his every command just to be fucked. He shows her masturbation video to superiors and parades her braless before the boss. Promoted to the new subsidiary’s director, he owns Yuko, now his slave, desperate for his cock...