rule 34 2018 anthro ass backsack ball stretcher balls ballsack black balls black body black eyebrows black horn black penis blue eyes blue hair blue tail bondage bound bow buttplug changeling chastity chastity cage clothed clothing cock cage crossdressing digital media artwork electrycpynk eyebrows girly green hair green sclera green tail grey background hair hands tied horn jeweled buttplug male multicolored hair multicolored tail my little pony panties penis perineum rear view rope scrotum sex toy signature simple background small penis solo striped clothing striped panties striped underwear tail wraps testicles two tone hair two tone tail underwear wraps 2686530