FURVERT!

2017 4:3 alternate_version_at_source anthro balls blush bodily_fluids butt canid canine canis castbound countershading cum cum_in_mouth cum_inside domestic_dog dragon duo erection eyes_closed fellatio genital_fluids genitals hi_res horn kneeling male male/male male_penetrated male_penetrating male_penetrating_male mammal mythological_creature mythological_scalie mythology nude oral oral_penetration penetration penile penis russell_(castbound)scalie sex spikes standing tail translucent vein xhyra