[ERDM-151] "Mom, just a little bit..." "Stop it! Any more will be play!" My mom was masturbating and was wet even though she was refusing... 4 hours (Censored)

"I saw it..." It wasn't inevitable, it was a coincidence. When I went into my mom's room to ask her if lunch was ready, I heard a strange voice. During my teenage years, my mom was also a close member of the opposite sex. Although my mom is usually strict, when I opened the door I found her in the middle of masturbating. She was vigorously masturbating with her fingers and a vibrator. "Mom was sexually frustrated..." I thought, surprised, but I went over to her and started helping her masturbate...