Rule 34 Dev - abs animal_genitalia animal_penis anthro balls barazoku biped black_balls black_body black_fur black_goo black_sclera book canine_genitalia canine_penis dripping erection fingers fluffy fur genitals grey_penis inside knot latex looking_at_viewer male mask muscular muscular_anthro muscular_male nipples nude pecs penis presenting presenting_penis sitting smile solo deerrobin changed_(video_game) puro_(changed) canid canine canis goo_creature mammal monster wolf 2019 digital_media_(artwork) hi_res|8569306585