2boys, akai_999, animal_ears, arknights, barefoot, bishounen, black_coat, black_hair, coat, doctor_(arknights), food, grey_eyes, grey_hair, hair_between_eyes, holding, holding_food, holding_popsicle, hood, hood_up, hooded_coat, leaning_back, leopard_boy, leopard_ears, leopard_tail, long_sleeves, looking_at_another, lying, male_doctor_(arknights), male_focus, multiple_boys, on_back, open_mouth, outdoors, popsicle, shirt, silverash_(arknights), sitting, tail, white_shirt, yaoi