Nerdy Emma Hix studies male anatomy on practice by giving head to stepbro

Skinny blonde nerd Emma Hix reads biology topics on her notebook. Tomorrow is sex ed exam, Emma don't wanna fail. Stepbrother helps her out by whipping his fat cock out in front of her. She shies away at the start, but then starts sucking stepbrother's shlong, thinking that practice is way better that theory. So, stepsister gives a nice blowjob and even takes mouthful of cum.