Rule 34 Dev - abs alicorn alterion_(alter) animal_genitalia animal_penis anthro balls big_balls big_penis black_body black_fur black_hair blush bodily_fluids cum cumshot ejaculation equid equine equine_genitalia equine_penis erection feathered_wings feathers fur genital_fluids genitals hair hi_res hooves horn looking_at_viewer lying male mammal masturbation medial_ring muscular muscular_anthro muscular_male mythological_creature mythological_equine mythology on_back outside pecs penile penile_masturbation penis reclining solo tail tlt_echelon waterfall wings|11866560104