The young man started working part-time at a family restaurant in the city while pursuing his studies. He diligently worked on the floor, receiving kind yet strict guidance from his colleagues every day. The well-endowed housewife Wakatsuki-san, who also worked part-time at the same store, would sometimes guide him kindly and other times seductively... 'Kinoshita-kun, in a restaurant, you don't say toilet in front of customers.' 'In our store, we call it number three when referring to the toilet.' 'So, shall we go to number three together?'
