FURVERT!

aethrus after_transformation anus backsack balls big_balls black_goo black_penis blue_goo blue_horn bodily_fluids colored_saliva dragon feral firondraak forked_tongue genitals glowing glowing_eyes glowing_markings glowing_mouth goo_creature goo_transformation grey_background horn male markings melting membrane_(anatomy)membranous_wings merging mythological_creature mythological_scalie mythology neltruin non-mammal_balls penis perineum purple_precum purple_saliva red_eyes saliva scalie simple_background solo tail takeover tongue transformation unusual_bodily_fluids unusual_saliva white_goo wings