2boys, all_fours, back_tattoo, bara, beard, blindfold, chain, chain_leash, couch, facial_hair, formal, fundoshi, gagged, glasses, holding, holding_leash, indoors, japanese_clothes, leash, male_focus, mature_male, multiple_boys, muscular, muscular_male, mustache, on_couch, original, prostitution, rouyuan_shiqi_(ro_seventeen), short_hair, smile, suit, tattoo, thick_eyebrows, topless_male, yaoi