Needle Play and Getting Castrated at the BDSM Club (A Horror Erotica)

Having secretly been involved in BDSM for years, my obsession with body piercings has left my wife annoyed and swearing she'll castrate me just like our dogs. During a usual scene played out with my usual mistress at the BDSM club, I have several needles throughout my cock, but to my surprise my bondage puts me into a place where fantasy becomes reality... and all of a sudden it appears as if my castration fantasy is going to come true in horrible ways... (Reader discretion is advised! This is a graphic horror erotica story!)