In part 2, your sister continues her experimentation to which you gladly offered your help. It's obvious she's a natural the way she moves her head up and down your hard cock. The two of you take a break from the sloppy BJ and try out a few sex positions, cowgirl and doggy, before Stephie decides to finish you off by continuing the sloppy blow job. It doesn't take much longer to get you to explode a nice load into her mouth. Looks like you're both ready to start your sexual experiences in college. Or was there something else Stephie wanted to teach you about