The Heroine is My Stepsister, and I'm her Final Boss - Chapter 13: To the Dark Continent.

A few decades ago, many strange gates appeared all over the world, and a creature called a demon by humans also descended at the same time, bringing unprecedented catastrophe to the human world. Humanity has a chance to breathe.

By chance, the world’s No. 1 magician gave up his identity, became a rookie tester and started again, entering the mysterious gate to participate in those unimaginable trials.

“This is also considered a newcomer?” The testers were depressed.

Completed the novel “Sword Suit” with 3 million words, “Shen Pin Dao Sheng” with 1.6 million words, “Super God Gene” with 7.3 million words (in the comics update), and “I just want to play games quietly” (in the comic novel update).

- Description from novelbuddy

The novel is about an author who was reincarnated into his novel.This author thought that he would become a hero, like he always wished, but no, his fate was to become a Villain.His fate was to fight against humanity and against the supreme beings who were planning to invade the world.

Chen Rui, an otaku from earth, is reborn into a human body in another world, who falls into the legendary evil, brutal world of the devil called Mozu where humans are treated as food. He has to survive while facing horrors of the devil, violent dragons and a variety of powerful enemies by depending on a strange super system chip and his wits. Surrounded by Devil’s beauties such as black-bellied lolita princess, cold queens, violent dragons, charming poisonous devils …

Wanting to live in the Devil’s world is hard! Wanting to live in the Devil’s world as a human is harder! Wanting a human to be the devil’s son-in-law is hardest!

Let us see how a small otaku uses power and strategy step by step starting from an ordinary human to writing a legend as the devil’s greatest son-in-law.

The strongest Demon Lord dies, and reincarnates as a human. Not only that, he because of various incidents turns into the hero’s best friend.

Follow his journey as he tries to help the hero escape his fate, and on the sideline to conquer the continent while he’s at it.