Rule 34 Dev - 2012 anal anilingus anthro anthro_only border canine collar cum dripping duo fur furry gay glowfox grey_fur grey_tail homosexual knot leash male male/male male_only mammal multicolored_fur oral penis rimming sex signature simple_background tongue tongue_out two_tone_fur vein veiny_penis white_background white_fur yaoi|2149807360