You can be one real filthy fucker sometimes you know, spying on your Step-sister like this can be classed as pervasion, what do you care, you get to wank into your hand whilst she plays with her lovely bouncy tits! Lucy has the loveliest natural breasts, and her nipples are always so hard, you just want to grab them and get your teeth around them so much. This fantasy of yours could very well soon come true if you play your cards right!