I went to Tokyo with Yuri to visit and cheer on my childhood friend who is now an idol. I also realized he secretly likes me, but I chose to pretend not to know. The person I've always had my eyes on is his mother, Yuri! She has big breasts, an alluring figure, and a beautiful face. That day, we had been sitting and drinking for quite a while, so we missed the last train. With no other options, we had to book a hotel for the night. However, it was the first day of the holiday, and after going to many places, all were fully booked. Finally, we found a vacant room, so the two of us had to sleep together. Looking at the woman I've long desired to have beside me, completely unguarded, my mind began to lose control. I threw myself at her even though I knew this was wrong. But what I didn't expect was that Yuri had transformed from her usual elegant demeanor into a lewdness I could not have imagined! She craves my cock, constantly begging me to cum in her pussy! All that night, I didn't know how many waves of sperm I had sucked by Yuri's pussy...