Zentmeister

An infamous playboy, killed by a former lover, inexplicably awakens to discover himself transmigrated into a NTR manga, assuming the role of the antagonist - Alex Smith. Propelled by a mysterious system that magnifies his skill in captivating women, he holds the power to seduce the women that belong to the various “main characters“. 

【Ding! The Queen of Hearts System has awakened.】 
【Overall goal: Steal all the heroines from the various main characters across the world.】 
【Reward: God Status.】

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[Disclaimer: This novel is based around Netori, NOT Netorare. Alex will NOT get cheated on, and there will be NO Yuri.]

Villain: Transmigrated Into A NTR Manga As The Antagonist

Alex was approached by a certain ebony beauty when he was about to leave the Zetas compound to go visit Nina. Amahle had a stern expression on her beautiful face as she issued the man a warning. One that he was not expecting.

"I wouldn't do that if I were you…"

This comment caused Alex to look over that the woman with a confounded expression on his otherwise handsome face. His voice was equally filled with confusion as he asked Amahle why she would say such a thing.

Amahle sighed heavily as she leaned in close and whispered to Alex what one of her contacts in the CIA had sent her.

And that's all, folks