analanal_penetrationanthroanusbacksackballsbottomlessbottomwearbottomwear_downbrown_bodybrown_furclothedclothingcoatdigital_media_(artwork)duoeyes_closedeyewearfurfur_growthgenitalsgogglesgrowthhumanhuman_on_anthrohuman_penetratinginterspecieslab_coatlaboratorymalemale/malemammalmaskmedical_instrumentmid_transformationopen_mouthpantspants_downpartially_clothedpenetrationpenisscientific_instrumentscientistsharp_teethsurgical_maskteethtonagari_(artist)tonguetongue_outtopweartransformation