I have sex with my daughter's friend.

After the final exam, I decided to stay at Momo's house. In the middle of the night, I wanted to go to the bathroom and slipped out of bed without waking Momo, but when I heard the sound of running water and the voice of an old woman coming from the bathroom... When I sneaked a peek, I saw that the aunt was alone. Looking at her like that, I felt a little hot too... When I was touching my belly like my aunt, she noticed...