Yura grew up in a single-parent household, and while attending school she also did the housework, growing up to be a daughter that her father, Nobuhiro, was proud of. One night, Nobuhiro's colleague Ichikawa came to deliver something he had forgotten. The father and daughter treated him to dinner as thanks, but Nobuhiro got drunk after a long and enjoyable evening drink. Ichikawa licked his lips obscenely as he gazed upon Yura, who was taking care of Nobuhiro...