Caught Step Sister Masturbating and Used My Cock as a Dildo

I walked into my stepsister's room without knocking and saw her fucking her pussy with a big dildo. At first I was watching and jerking off to her and then I came closer. Her rubber dildo fell and I put my dick in her hand. She started using my dick as a sex toy and I didn't mind. Then I grabbed her by the ass and started fucking her roughly doggy style. I continued to fuck her in missionary position and then I finished her cute pussy with a big portion of cum