Rule 34 Dev - 1boy 2016 abs anthro armpits ass athletic balls biceps big_balls big_penis blue_eyes brown_fur claws erection fur hair hi_res huge_cock humanoid_penis locker locker_room looking_at_viewer male male_only mammal muscular muscular_male mustelid nipples nude open_mouth otter pecs penis sieg simple_background smile solo standing tsaiwolf|2433541944