FURVERT!

2011 ambiguous_species anthro arms_above_head balls bdsm bondage bound breasts canid canine clitoral clitoris cunnilingus duo erection eyes_closed female fox genitals greyscale knot licking male male/female mammal monochrome nipples nude oral penis rope ruaidri sex simple_background sketch small_breasts tail tongue tongue_out vaginal vulva white_background