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 wanted to lean up in excitement after hearing the Queen of Heart's question, but he knew by doing so he would wake up Min-Ah, who lie next to him with her arm wrapped around his chest. Thus, he just silently nodded his head.

The Queen of Hearts took this as a cue, thus she pulled out a heart-shaped wand seemingly out of nowhere and pointed it toward's Min-Ah where she said the most stereotypical incantation in the most cutesy voice she could manage.

Immediately a swirl of sparkles enveloped Min-Ah, which she did not even appear to notice in the slightest. And just when Alex began to panic, they disperse entirely, leaving him completely bewildered at what he saw. Min-Ah was always a beautiful young woman, among the most beautiful in the world, he would argue. But like all women, she had her imperfections. Thus, she wore makeup to cover them up.

A Stunning Transformation