Rule 34 Dev - ! !! 1boy ^^^ ainu_clothes bara beard belt black_hair blush bursting_pectorals buzz_cut chest_hair clenched_hands collarbone collared_shirt duruko embarrassed facial_hair flying_button furrowed_brow golden_kamuy large_pectorals long_sideburns looking_at_viewer male_focus mature_male monochrome muscular muscular_male no_headwear open_mouth pants pectoral_cleavage pectorals popped_button popped_collar sanpaku scar scar_on_face shirt shirt_tucked_in short_hair sideburns solo spoken_exclamation_mark stubble tanigaki_genjirou thick_eyebrows undersized_clothes v-shaped_eyebrows very_short_hair|20251636704