While studying, the young man started working part-time at a family restaurant in the city, and was busy serving customers at the hall every day, receiving gentle and strict guidance from his friendly colleagues. Wakatsuki, a busty housewife who works part-time at the same store, also guides her, sometimes kindly and sometimes bewitchingly... ``Yoshino-kun, at restaurants, in front of customers, don't say anything like going to the toilet.''