FURVERT!

2015 4_toes animal_genitalia anus big_penis digitigrade dragon erection feet feral genital_slit genitals iko looking_at_viewer looking_back lying male medial_ring membrane_(anatomy)membranous_wings monochrome mythological_creature mythological_scalie mythology on_side penis presenting raised_leg scalie simple_background sketch solo spikes spread_legs spreading tail toes white_background wings