Caught Sniffing Her Panties

Let's face it,  it's not easy having a super hot step-sis like river,  it's becoming a bit of an obsession for derek,  who today, sneaks into river's room and starts sniffing a bunch of her colorful panties!  river then catches him in the act!  he tries to deny it but he's still holding on to a handful of them,  which river tries to grab them away but derek won't let her,  she winds up on top of him,  puts her panties on his face, and tells him "if you"re going to smell them, then smell them!".  it doesn't stop there as it's clear there's been a lot of sexual tension between these two.  next thing you know derek's step-sis is tied up and giving him a blow job!!