Skills is how Stepsister gets them in and she swallows the load @", The following characters at some point in the film expose themselves:

Stepsister tells her stepsbrother to come to her room for sex promising him a blowjob. Well, sexily catering to him, she deep throats him taking his whole cock into her throat. He grunts while she gives him a throat job resulting to a huge spew in her mouth.