1boy, abs, bara, bare_pectorals, beard, black_hair, blush, bulge, buzz_cut, chest_hair, collared_shirt, facial_hair, golden_kamuy, hairy, large_pectorals, looking_to_the_side, male_focus, mature_male, muscular, muscular_male, navel, navel_hair, nipples, nopinzo, open_clothes, open_shirt, opened_by_self, pectorals, shirt, short_hair, sideburns, solo, stomach, sunlight, tanigaki_genjirou, thick_eyebrows, undressing, upper_body, very_short_hair, white_shirt, window_shade