Rule 34 Dev - 2012 abstract_background anal anal_sex anthro balls black_fur black_nose blonde_hair blush border_collie brown_fur canine circumcised collie cum cumshot duo erection facial_piercing fur green_eyes grey_eyes grin hair hand_on_belly hand_on_neck humanoid_penis husky leaning leaning_forward lip_piercing male mammal multicolored_fur muscles nose_piercing nose_ring nude open_mouth ora orgasm penetration penis piercing plantigrade raised_arm sex side_view standing teeth tenlington tongue tongue_out two_tone_fur white_fur wolfblade wuffamute yaoi|2003726144