My next door neighbor, Yuika, is a beautiful office lady with big breasts and black hair who looks great in a suit. One day, she invited me to do some stretching exercises, concerned about my health while I was away on a business trip. Although she's married, I went to her room with a faint hope... She was stretching in a revealing swimsuit that was tight around her crotch and exposed her buttocks! Her erotic body, so erotic that it was hard to imagine it compared to her usual serious appearance, gave me a full erection! And...