FURVERT!

alpha_channel animal_genitalia animal_penis anthro anthro_on_feral balls bestiality causationcorrelation dragon duo equine_genitalia equine_penis feral fur furred_dragon furred_scalie genitals hybrid knotting male male/male mythological_creature mythological_scalie mythology penetration penile penile_penetration penis penis_in_penis scalie tail urethral urethral_bulge urethral_knotting urethral_penetration