Cheating fuck with Lars the 20 year old stepson!

I bought a new jogging suit for my stepson which arrived today. When he got home I called him and said he should try it on, and if it doesn't fit I can send it back. He then stammered to himself and said if I am serious, I said why not? He then took off his pants and was naked underneath. I immediately was horny to watch his young crisp cock and have brought him to me to feel his cock. hot.