Rule 34 Dev - 2016 animal_humanoid blush bulge cat_humanoid cat_tail clothed clothing collar drooling feline hair heart humanoid leash lizardbat_(artist) male male_only mammal matsuno_ichimatsu nipples open_mouth osomatsu-kun osomatsu-san petplay roleplay saliva simple_background slightly_chubby smile solo topless underwear|2212395168