Surprise in the middle of masturbation

A little foray into his sister-in-law's room and he discovers that she is bringing her hands to her private parts. so when he closer to her without her knowing it, he then understood that she tickled the pussy. we must therefore admit that she wanted a good cock. when she realized he was there, she couldn't stop. so he had to help her. a fuck party is taking shape. no time to lose with the preliminaries because the two lovers will give pleasure to each other during this improvised ass plan.