Asako Morishita 40 years old, married for 5 years, housewife. Take a sleeper train and go on a trip to Ueno. It is the first time for a married woman to ride a sleeper train, and it is also the first time for a man other than her husband. The train departs with tension and anxiety. After a long time, I exposed my naked body in front of a man, and raised my voice with shame and pleasure. A married woman and a man's obscene love affair that unfolds in a running closed room.
