anal anal_knotting anal_penetration animal_genitalia anthro balls bed big_balls duo erection fluffy fluffy_balls fluffy_tail furniture genitals inside knot knotting leaning leaning_back looking_at_viewer looking_pleasured male male/male on_bed on_knees penetration penis realistic riding rim_light sex sheath size_difference smile smiling_at_viewer standing aurugy cheetah felid feline mammal sergal detailed hi_res
I'll tell you the end of this story - the knot will fit