FURVERT!

2016 absurd_res animal_genitalia anus bedroom big_penis body_size_growth claws clenched_teeth damaged_ceiling dewclaw door dragon erection european_mythology feral finger_claws frill_(anatomy)genital_slit genitals greyscale hi_res horn inside knot looking_back lying macro male membrane_(anatomy)membranous_frill membranous_wings monochrome mythological_creature mythological_scalie mythology on_back penis scales scalie sharp_teeth size_transformation solo spikes spread_wings stuck surprised tail teeth tight_space tochka toe_claws transformation western_dragon window wings