2015analanal_penetrationanthroanthro_on_anthrocanidcaninecaniscollardigital_media_(artwork)dragonduohorninterspeciesmalemale/malemale_on_bottommale_on_topmale_penetratedmale_penetratingmale_penetrating_malemammalmembrane_(anatomy)membranous_wingsmuscularmythological_creaturemythological_scaliemythologynudeon_bottomon_lapon_toppenetrationreptilereverse_cowgirl_positionscaliesexsittingsitting_on_lapspiked_collarspikestailthestorywingswolf