9.9 Billion Bride

He is the emperor of the dark night—cruel and indifferent, rejecting the warmth of women's affection. He ensnared her, viewing her as the antidote to the love poison that coursed through him, instantly addicted, and henceforth, forever beyond redemption.
"The women who have glimpsed my body have only one destiny," he declared, donning a refined silver-black mask, his smile sly. "Yet, I find your scent intriguing. You may choose the manner of your demise."
Their first encounter saw him pinning her to the carpet. Though commonplace advances typically involved various kisses, he surprised her by biting her neck. The perplexing question lingered: Why was he, not a vampire, drinking her blood?!
Upon their second meeting, she fell prey to his bodyguard's abduction, brought before him. As she teetered on the brink of total consumption, a mysterious factor within her body was triggered...