You have a great relationship with your sister Nikko. Maybe it's because Nikko was adopted? Either way, you have an understanding that transcends the typical brother-sister relationship. In fact, you two figured out a mutually beneficial sexual favors type of relationship. Today, Nikko doesn't really want to do her chores so she has you take care of cleaning the kitchen in exchange for playing with her great pair of boobs. You gladly take care of the kitchen mess for your chance to get your hands all over those titties. Nikko has really sensitive boobs and nipples so she gets turned on while she's getting her boobs rubbed. She really likes this arrangement so she offers to give you a blow job in exchange for cleaning the bathroom including taking out the trash. How can you say no to that? You clean the bathroom in no time and Nikko holds up her end of the bargain and promises you the best blow job of your life. And she does not disappoint