MTL - Why is This Little Brother - Chapter 38 Delusional twenty-fifth

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.

Beast Taming: I Can Evolve Indefinitely

500 years ago, Chen Xi was devoured by a crack in the void and was transported into a cultivation world.

500 years later, he returned back to Earth after enduring through several hardships and discovered that only 5 years had gone by.

…

In the courtyard, beauty at the side, a candle flame wavering.

A gush of clear wind, half a full moon, the peach tree remains unchanging.

…

Wait, whose kid is this?! Why is she calling me papa? Gazing at the little girl in front of him with skin as pale as jade, Chen Xi froze.

…

　
Returning home from cultivation, starting as a stay-at-home dad.

In this life, not fighting to be a king nor claiming to be a tyrant, only praying to peacefully be a wife-pampering mad devil and a child-protecting daddy!

- Description from Novelupdates

What is it that makes a man fall in love with a woman at first sight? Appearance? Aura? Wealth? NO, when campus prince and gaming expert, student Xiao Nai first saw Bei Wei Wei, what made him fall in love was not her extraordinary beauty; but her slim and slender fingers that were flying across the keyboard and her calm and composed manner!!! Embarrassing, no?

At the same time, gaming expert Bei Wei Wei was on the computer methodically commanding a guild war, and won a perfect and glorious victory despite being at a disadvantage; completely unaware of the fact that cupid is nearby.

Soon after basketball player; swimmer; all-around excellent student; and game company president, Xiao Nai, uses tactics both on- and offline to capture this beauty’s heart. Therefore this romance slowly bloomed.