1boy, abs, animal_ears, arknights, bara, beard, cow_boy, cow_ears, cow_horns, facial_hair, horns, humus_(arknights), large_pectorals, looking_to_the_side, male_focus, mature_male, mobrinono, multicolored_hair, muscular, muscular_male, nipples, pectoral_focus, pectorals, red_hair, short_hair, smile, solo, streaked_hair, sweat, thick_eyebrows, upper_body, white_background