Rule 34 Dev - age_progression anthro black_nose blinking bottomless bottomwear clothed clothing crayon crossed_arms detailed_background drawing eyes_closed fur grey_body grey_fur inside leaning leaning_backward leaning_on_wall lying male muscular muscular_anthro muscular_male on_front on_ground open_mouth pawpads shirt shorts sitting sleeping snoring solo topwear waiting young young_anthro young_male hyaku_(artist) canid canine canis domestic_dog human mammal 2022 2d_animation animated hi_res multiple_scenes no_sound short_playtime webm|15639332450