I like to think of this as descending order of butt size. Which, if true, means that Sixten has an even plusher rump than Zu, and makes perfect sense why Rudolph would want to bang that booty. Or anyone for that matter. ;3
Oh my lord. I haven't commented on your stuff before, but I've been following you since a good time before the site refurbish and I've finally clawed my way out of my dark cave to beg for more Sixten in compromising situations that involve his dick murdering bubble butt or maybe even a continuation of this one (maybe where sixten is coddled by all the girls while he gets the biggest dick in the line *cough* :P)