Monster Integration (Web Novel) - Chapter 4349: Bloodline + Ancestral Power I

Haruto Hayase was a normal high school boy in his third year, living a quiet life until his younger sister, Haruka Hayase, joined the same school. Haruka’s beauty and charm made her the center of attention, quickly becoming the school’s prima donna. But when a notorious gang leader set his sights on her, he did everything in his power to protect her—only to fail tragically. Haruka was brutally assaulted and tortured, and Haruto himself suffered an agonizing death. However, in a twist of fate, Haruto is given a second chance, waking up a year before the events that shattered his life. Armed with the mysterious ‘Debauchery System Slave’, he vows to exact revenge on those responsible. This time, he will use his newfound powers of the system and charm to seduce the loved ones of his enemies. From their mothers, sisters, and lovers to their closest friends, Haruto will make them his. His enemies will suffer as he steals what they hold dearest, ensuring their downfall in the most devastating way possible.

The end of all worlds approaches.

The Demon King Order harvests lives from all manners of living beings.

Within this darkness full of despair,
A single person escaped from space-time, returned to before the world collapsed, determined to change the fate of the past.

But as time pass, he gradually finds out that the Apocalypse isn’t quite as simple as he thinks…

- Description from novelupdates

Traveling to the daily two-dimensional world, Bai Ye awakens the behind-the-scenes system of Myriad Worlds, as long as you change the plot of other worlds, you can become stronger

As a result, there was internal strife in the Huxiao organization, White Beard was arrested on the top of the war, the Tianlong people’s navy broke up, Shiranui Mai was arrested in the small park, and a series of weird things happened.

Until one day, Bai Ye, who had destroyed countless dimensions, was invited by the victim’s chat skirt.

Looking at the people inside, he fell into deep thought.

Uchiha Madara: Skirt friends, my leg was broken by someone, so I can’t dance anymore!

White Beard: Don’t tell me, the taste of prison food is really amazing!

Aizen: I thought I was a lyb, but I didn’t expect there to be a lyb. The hostess, you are going to give me a cut version of the plot, right?

Sesshomaru: He came up and said he was my father, can I bear that? The seven wolves didn’t hurt me at all!

Skirt owner Qiu Zixi: No, the plot is not like this!

- Description from novelbuddy

Kevin Duke, an 18-year-old martial artist, by accident, is reborn an becomes a high school student who was kicked out of the family. Since then, this king of Kung Fu in school has been sweeping all kings of enemies. The whole world is shaking behind him. P.S. This book has been prepared for many years. it's a total wonderful story. The author has related writing experience for more that 8 years. Recommend heartly!