Kate Koss knows she's a pro at sucking cock, therefore she always accepts a challenge. This time, she wants to see how deep she can get James Koss's cock down her throat, for how long she can choke on it, and how fast she can make him cum. First, she starts sucking him off, and that goes easy as always, she can get his whole cock all the way down his throat with no effort. That is why she wants to take it to the next level. She lays on her back and allows James to fuck her throat vigorously. He fills her throat with cock and even makes her gag and throw up a bit, she loves it. After that, she goes back to sucking James off and makes him cum in seconds.