A man and a woman who seemed to be in the same generation who were drinking on Friday night. - A mistake in the presentation materials at the beginning of the week was discovered, and she suddenly decided to work overtime at the man's house. - She finished making the materials safely and resumed her drinking, and decided to watch together the AV for women that the man will handle in his next job. - The two were puzzled by the unusual atmosphere, but it seems that a healthy relationship turned into an erotic mode with one trigger.