Aiko, the wife of the president who had been hit by a train for the first time in a long time. Aiko, who was so confused by a sudden event, was completely unable to resist and became jealous of her, but she was drowned. When Aiko returned home, she was indignant about the fear and excitement of her first experience. And I couldn't forget the feeling of being deceived, and Aiko took the train again in search of stimulation.