Rule 34 Dev - 2boys animal_costume bald bow bowtie buck_teeth chibi chibita cosplay esper_nyanko esper_nyanko_(cosplay) facial_hair facial_mark heart heart_in_mouth iyami looking_at_another male_focus multiple_boys mustache osomatsu-san osomatsu_(series) rubbing_eyes sleepy squeans teeth tsubuta_hiro whisker_markings|18445829337