Dungeon King: The Hidden Ruler - Chapter 12

Leon and his father, Artorias, are the last remaining scions of a once powerful and illustrious family of lightning mages. After barely surviving an attack that destroyed their home fifteen years ago, they now live in the dangerous Northern Vales, a desolate wilderness far away from civilization. But those who want them dead are strong, patient, and relentless, and it is only a matter of time before they find the two they seek...

She is the newly crowned Best Actress of the Entertainment Circle as well as the long-lost second young lady of the Ye Family in the Imperial City, a fact everyone knew. The eldest daughter of the Ye Family was the Chairman of the Fenghai Group; the third son of the Ye family, a big shot in Imperial City; but the found second young lady was merely a decoration in the Entertainment Circle.Her father did not love her, her mother did not cherish her. However, nobody knew, behind the guise of a mere decoration, she was in fact an exceptional agent that international powers found troubling!Unexpectedly, she made a mistake, was tricked, and accidentally bound herself with a system to complete tasks and absorb energy.Since then, she dominated in all parallel universes, rewriting the tragic lives of others. In whichever world she was in, she thrived effortlessly. What she did not anticipate, however, was crossing paths with a big shot from a mysterious power…When she finally recovers her strength to return to her peak form, she could let go of her identity as the second young lady of the Ye Family; she could reject her family's estate. But, if she didn't give a good reckoning to those who plotted against her, how would she do justice to her hard-earned title of Chief Agent?Once her identity is fully revealed, it would be her time to shine!***One a prodigious mystery youth, the other a world-renowned Chief Agent, this is a showdown between two formidable figures.***The alternate titles of this novel include “The Heroine Is Really Amazing” and “The Hero Is Really Handsome”.—【Refreshing】【Quick Transmigration】【1v1】

There are a total of seven sins, and a revelation is made to a young man named Alex that he is destined to become a demon lord, more especially a demon lord of sin called LUST.

It's not like he can change that and because he always knew something about himself was different—not in a physical sense, well, maybe a little—and not in a mental sense—but rather because he is thrown into a demonic war that compels him to accept his new reality.

He was only aware of a difference in himself. Relating to him and the ladies who are drawn to him... Well, it was more or less like he was a magnet in front of all the girls, and all the girls were drawn to him like a metal.