Rule 34 Dev - 1boy 2015 abs animal_genitalia anthro balls biceps big_penis black_fur brown_hair canine claws clothing collaboration fur green_eyes hair hybrid ishiga-san looking_at_viewer male male_only mammal muscles nude pecs penis pinup plain_background pose rough_collie ryusei_iouko sheath smile solo speedo standing swimsuit teeth wolf yamatoiouko|1893301208