Saki, who works at a lingerie manufacturer, was a new recruit when her senior colleague Akiho Yoshizawa became her team leader and led a new product to great success. She admired Yoshizawa and hoped to work hard with him Itsuka, and was unexpectedly selected to be a team leader. However, this personnel change was a trap set by the company's higher-ups to sexually harass female employees under a plausible pretext... The fourth installment of the popular series! A big-breasted, slender office lady grabs a dick to grab a chance for promotion!