1boy, ahoge, america_(hetalia), animal_ears, axis_powers_hetalia, bishounen, collar, dog_ears, dog_tags, fangs, glasses, greyscale, holding, holding_leash, kemonomimi_mode, leash, leash_pull, male_focus, monochrome, open_mouth, shirt, short_hair, sleeveless, sleeveless_shirt, tongue, tongue_out, zhongerweiyuan