Kasumi Matsumaru is an office lady working as a sales representative for corporate printers, a shy and easily pressured woman who endures constant scolding from her boss over poor sales performance. Day after day, she struggles under mounting stress. Then one day, her superior falsely accuses her and forces her into lewd acts. From that moment on, Kasumi is coerced into adopting a new sales strategy: "using a woman's body to secure contracts." In business settings, she begins approaching male clients with an entirely different, seductive demeanor. The once-timid woman gradually reveals her hidden, sensual nature, captivating everyone around her. Her meekness transforms into allure, drawing people in. Her innocent expressions twist with pain and pleasure, her flawless skin flushing as she becomes extremely sensitive. She responds to the vulgar demands of clients, writhing in ecstasy. Embracing the role of a sex slave and cumdump, her sales numbers skyrocket. Kasumi openly exposes herself, saying, "Please touch my nipples, my ass...," "Cum inside me or on my face, do whatever you like...," "Use my body as many times as you want..." She sinks deeper and deeper into this new form of sales through sex. Featuring office lady, slender, suit, pantyhose, drama, creampie, bukkake, facial, threesome, and foursome elements, this story unfolds a shocking new sales strategy.