This work depicts a unique encounter that begins in a coin laundry. The protagonist accidentally finds the underwear of a married woman, Yuki Nanashio, takes it home, and their reunion is an intriguing twist. Throughout the story, Nanashio's attractive body and beautiful butt have captivated many fans, and scenes of her seduction are highlights of the narrative. It has also been pointed out that she fully utilizes her voluptuous curves during the drama. The story features unexpected developments, such as the man's revisit to the room where he discovered the lost underwear or accidentally dropping his wallet, adding to the enjoyment of the plot.