MTL - Ninja School Teacher, I Can Become Stronger By Teaching - Chapter 32 Eight Doors Dunjia (seeking for further reading)

Ella has the most perfect life. A life that everyone could envy her. She has a beautiful face, a beautiful body, abundant wealth.

The most important thing to her is that she has her someone that she thinks is her soul mate.

But a betrayal makes herperfect life shattered. She was lied to, toyed with and thrown into a much worse place than hell.

She was expelled from her family and locked up in a mental hospital, a place that shatter both of her wings.

Five years later, Ella returns with one goal in life. She handed over her body to Christian, a CEO who is notorious for being the cruelest.

In exchange, Christian will help him achieve his dream: REVENGE!

The Descent of the Dragon Tower.A young man refines the nine Dragon Emperors, cultivates the invincible Dragon Body of eternal glory.Slays the emperors of myriad heavens, gods, and demons alike, defying gods and Buddhas.Invincible across nine thousand realms!

After an accidental death, in order to continue to live, Gu Bai had to choose to go through various wonderful books to complete tasks.

Every time he became a variety of small cannon fodder inside the story, Gu Bai’s code of conduct when completing task is – by all means, don’t be inferior, don’t be shameless, don’t be upright… hold on to a golden thigh.

… N times after transmigrating

Cannon fodder: (angry contempt) … You’re already so powerful, why are you still shamelessly holding on to a golden thigh to deal with us!?

Gu Bai: (deadpan) That… holding and holding… got used to it…

- Description from Novelupdates

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.