1boy, abs, alternate_facial_hair, animal_ears, arknights, bara, completely_nude, cow_boy, cow_ears, cow_horns, expressionless, facial_hair, hand_up, holding, horns, humus_(arknights), large_pectorals, male_focus, mature_male, multicolored_hair, muscular, muscular_male, navel, navel_hair, nipples, nude, opqrald, pectorals, red_hair, short_hair, solo, stomach, streaked_hair, stubble, thick_eyebrows, upper_body