abs animal_genitalia animal_penis anthro balls big_balls big_penis black_balls black_body black_scales bodily_fluids close-up crotch_focus crotch_shot cum cum_drip dripping equine_penis erection genital_fluids genital_focus genitals glans glistening glistening_balls glistening_body glistening_genitalia glistening_penis glistening_scales hybrid_genitalia hybrid_penis knot knotted_equine_penis leaking_precum lying male medial_ring muscular muscular_anthro muscular_male nude on_back outside penis penis_shot precum precum_drip precum_string presenting presenting_penis realistic realistic_lighting sand scales sheath sitting_on_ground solo spread_legs spreading vein veiny_balls veiny_knot veiny_penis sugar_arrafel dragon scalie detailed hi_res