1boy, abs, bara, black_hair, blank_stare, completely_nude, facial_hair, from_below, goatee, large_pectorals, looking_at_viewer, male_focus, mature_male, muscular, muscular_male, navel, nipples, nude, original, oro9, pectorals, short_hair, sideburns, solo, squatting, stomach, stubble, sweat, thick_eyebrows, towel, towel_around_neck