Yandu Kaguy: The Man Who Built His Own Leveling System

Thomas Zerda was just a young father trying to survive the chaos of Rio de Janeiro.

Until he got caught in a brutal clash between two assassins and a monstrous creature.

Tortured. Stabbed. Left for dead.



But he didn’t die. He awakened.



And something ancient erupted inside him: Ayvu — a violent, spiritual force that now makes him a target.



Hunted by monsters. Watched by a secret organization known as The Moon Order.



So Thomas fights back.



A former programmer, he creates his own leveling system — tracking strength, speed, precision, Ayvu control, and neural stability using smartwatches, heart sensors, drones, and custom scripts.

He calls it: The Leveling Progression System.



Yandu Kaguy is a dark urban fantasy where the MC is no hero.

He's just a man. But to protect his daughter, he’ll become something far worse.



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Hi, this is my first novel, and English isn’t my native language, but I hope you enjoy it. :)

This story is deeply personal to me.

Thomas is inspired by my own son, and Olivia by my partner. Gabrielle, their daughter, is based on my goddaughter.

Many moments in this story reflect symbolic pieces of my own life.

I hope you can connect with it.



Sincerely,

Felipe