"You were mine from the moment you sold your soul to me. Even if you run away again, I will pursue you even into the depths of the abyss," -Zachary Grey Sullivan, who has never desired anything in his life, now finds himself obsessively desiring someone. In his attempt to end the marriage he was forced to, he met Selena Ariadne Morelli, an alluring yet dangerously gorgeous woman who awakens his passionate but destructive twisted desire lying deep within his soul. Bound by a twist of fate, they enter into a contractual relationship affair to break a holy promise. But, as soon as the contract ends, Seia, his cherished mistress, vanishes, never to be seen again. Will Zachary be able to find his runaway mistress? What if her existence had never existed? Will his deviant affection fade, or will it grow more dangerous and twisted?

You can read this as a standalone story! Sartori #2 "I abused Diablos..." Diablos, the third-born boss of the Sartorian Mafia, was a man who could not be tamed due to his uncontrollable anger. He had to drink the bitter medicines prescribed by the family doctor to keep himself restrained. Never did he imagine that he would taste the sweetest sensation from a woman's skin, far better than bitterness. That taste became the only thing that kept him under control during his fits of rage. But because of his obsession with it, his kindness was abused. . . . Mature Content Warning: R18+

You cannot read this as a standalone story! Read "Addicted Damien" and "Abused Diablos" first! Sartori #3 "I abandoned Drugo. . ." . . . Mature Content Warning: R18+

You can read this as a standalone story! WARNING: If your humor doesn't match with the characters' humor in this story, please quit reading immediately! Darkkon is not the typical cold male lead! Thank you! ... Sartori #4 "Darkkon. . . got aroused for me." Darkkon, the eldest of them four. Protective. Manipulative. Addictive. Aggressive. Possessive. Obsessive. His beast got aroused and became a psychotic stalker the moment he saw her, touched her skin, heard her voice, smell her scent, and even tasted her. Everything about her got him desperate to make her his even if it means his downfall. . . . Mature Content Warning: R18+

You can read this as a standalone story! Sartori #1 "Damien... got addicted to me." Damien, the youngest boss of the Sartorian Mafia, was a man who could not be calmed. Illegal drugs were his way of coping with his anger, until he discovered a strange aroma. He never expected to experience true euphoria from a woman's natural scent, something far more intoxicating than the effects of the drugs he once relied on. . . . WARNING: This story is unedited! All chapters are in their first drafts! Thank you!