Kanae, who divorced her husband a few years ago and works part-time at a delivery company while raising her only son. One day, she is tasked with supervising Yuki, a student part-timer who looks unreliable and incompetent at work... The next day, while chatting with Yuki in the truck, he suddenly confesses to her, leaving Kanae bewildered! From that day on, the 'female' part of Kane has been lit up, and she ends up having sex with Yuki wherever they are, but such happiness doesn't last long...
