Her boyfriend, who is also a colleague, makes a big mistake, and her boss, who doesn't approve of office romances, proposes an affair to Rie instead of covering up the mistake. She has sex with him in the office, rubbing and stroking her big ass. She has sex with him from behind, shaking her ass cheeks, and gives him a blowjob under the desk... he forcefully pours semen into her uterus and the sperm runs down her thighs. She tries desperately to hide it so her boyfriend doesn't worry, but in fact...