Everyone thinks about erotic things while at work. But they hold back their sexual desires because they don't want to get scolded by their superiors! But when a man and a woman are left alone together... there's no stopping them anymore... A married woman is penetrated from behind while pressing her breasts against her colleague's desk, and although she is tormented by a sense of guilt, she is five times more excited than usual, and is Kokoro in order to have a satisfying creampie!