one piece: gene extraction and fusion system - Chapter 365: Return to the New World — The Ghosts of the Old Era

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.

Here hundreds of countries compete for supremacy, here hundreds of schools of thought flourish, he brings the strongest family head system, establishes the most powerful family, and steps onto the highest stage step by step!

In the virtual world, power is what you seek. In reality, it’s the pursuit of truth.

But the game is not actually a game.

Evolution!

- Description from Novelupdates

If Xiao Yan had never lost his Dou Qi initially.If Yao Lao had died within the Soul Ring due to severe injuries.If Xiao Yan happened to join the Hall of Souls by chance.If a butterfly flapped its wings and altered the course of fate, how would the gears turn?“.... Who are you?”“Hall of Souls, Xiao Yan!”--------------------Worlds: Battle Through the Heavens, The Great Ruler.Tags: Action, Adventure, Romance, Harem, Weak to Strong, Clever Protagonist.Minor Tags: Comedic Undertone, Pets, Reincarnation, Kingdom Building.No System / No Prior Knowledge of the World.