2boys, abs, ass, back, backlighting, bandaged_leg, bandages, bara, bulge, couple, crossed_arms, full_body, fundoshi, grey_hair, holding_another's_foot, horns, japanese_clothes, large_pectorals, looking_at_viewer, looking_back, male_focus, mature_male, multiple_boys, muscular, muscular_male, navel, navel_hair, old, old_man, original, pectorals, short_hair, sideburns, thick_thighs, thighs, topless_male, torieda, tusks, wrinkled_skin, yaoi