Rule 34 Dev - animal_genitalia animal_penis anthro ball_stretcher balls ballsack beads beard bondage bound braided_hair canine canine_penis chastity_cage closed_eyes cock_cage cock_ring cum erection facial_hair feline group group_sex hair hands-free jambalayathepit kaviraj_kesar knot male malesub mammal mastiff mulefoot multiple_boys multiple_subs navel nipples orgasm penis pubes rope rope_bondage scrotum semen_collection sex spiritual spirituality student teacher teacher_and_student testicles threesome tibetan_mastiff training yaoi|3173988272