Rule 34 Dev - 1boy abs anthro balls biceps big_muscles big_penis black_nose blush boxers brown_fur brown_hair canine clothing cum erection excessive_cum flexing fur german_shepherd green_eyes grin hair handjob humanoid_penis leaking looking_at_viewer male male_only mammal masturbation messy muscles nude open_mouth orgasm pecs penis presenting pubes rabbity silhouette sitting smile solo solo_focus spread_legs spreading teeth toned underwear|1917124696