My wife and I started dating in college and got married in our fifth year. Our relationship is still good, but our nighttime activities have become monotonous, solely for the purpose of having children. One day, Jun, my wife's close friend, came over to play. A bit of a natural airhead, she is a popular beauty at the company where she and my wife work. When my wife passed out drunk, Jun's cheerful demeanor vanished, and she began to seductively gaze at me, whispering lewd words in my ear and enticing me...