I had sex with my daughter's friend. (ADN-704)

After the final exams, I decided to stay at Taozi's house. In the middle of the night, needing to use the bathroom, I quietly slipped out of bed so as not to wake Taozi. I heard the sound of water and the aunt's voice coming from the bathroom… I peeked in and saw the aunt… alone, doing it. Watching her, I unconsciously felt a heat rising in my groin… If I touched myself like the aunt did, she would find out…