On a hot day, Inogashira travels to Shin-Maruko. While waiting for his female client (a passionate owner of a dance studio) he decides to kill time in a dessert shop called "Showa-do" and orders a refreshingly sweet creamy concoction. Later on, after his appointment, Inogashira finds himself thinking about a certain busy eatery he had seen earlier in the day. It was a casual diner called "San-chan Shokudo." It was full of lively customers, all eating and drinking alcohol in the middle of the day. It could be a good place to eat and yet he does not drink. He wonders if it's worth a try....