That was my best session ever
During the summer I stayed over at my younger cousin's (eleven years old) house for a week while my parents were on vacation. One morning my aunt had left us with my cousin's older brother (twenty-one). My cousin and I were playing outside while his brother was inside.
I went inside to grab a bottle of water. I quietly went inside and while walking I got a view of his brother sitting down on a chair. The open side of the door gave a perfect view of him masterbating. He had his shorts all the way down, legs spread apart and him stroking his thick penis.
I couldn't believe what I was seeing looking at him jacking off. I felt like masterbating right in front of him so I could watch him squirt ropes of cum over his body running down his busy area. I walked away slowly outside wanting to masterbate right away.
Later that night I took a shower(only privacy to jack-off) Quickly undressed and sat down and stroked my semi-hard dick. I quickly cummed a long rope of cum and three drips. I quietly jacked off in the middle of the night remembering my older cousin masterbating.