FURVERT!

anthro anus balls big_anus black_penis butt claws dragon erection facial_horn genitals hi_res horn knot looking_at_viewer lying male membrane_(anatomy)membranous_wings mythological_creature mythological_scalie mythology neck_tuft nose_horn nude_male on_side penis presenting presenting_hindquarters red_body red_scales scales scalie sellon solo tail tail_anus thick_tail tuft ventral_scales winged_arms wings