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

<p>Though he had no idea why the Queen of Hearts was behaving so strangely, Alex suspected something was going on behind the scenes. Now that he thought about it, he knew very little about what was really behind his reincarnation, or how the system even worked.</p>

<p>On several occasions, the Queen of Hearts had implied that she was not alone working behind the scenes. And because of this, Alex was beginning to suspect she might have a boss of some kind. Unfortunately for him, she only revealed herself when she wanted to. And after what he just witnessed, Alex could guess it would be a while before he saw the woman again.</p>

A Cold Welcome For a New Sister