Downfall (Descent #1) by R. Phoenix & Andi Nox

Downfall [w/Andi Nox]: Kota’s life was far from perfect, but it was his — right up until he was snatched from his home in the slums to be used as leverage for his mother’s obedience. As the vampire who owns him starts to break him into his new life, he’s horrified to learn that he enjoys the pain and humiliation Dante subjects him to. 30k erotic novella.

Nonconsensual sex
• MMMM/m (group sex)
• Mind control and behavioral modification (vampire compulsions)
• Enema
• Anal to Oral sex
• Knotting
• Fisting (extreme)
• Forced body modification (piercings)
• Asphyxiation
• Watersports