Being Op With My Broken System: All Limits Have Errors - Chapter 221: Studying through the night.

A former sporting rifle shooter genius transforms into the ‘Juvenile Butcher’. While originally supposed to have received the death penalty, he was instead fortunate enough to have entered a secret and highly regarded armed force, throwing himself into the ‘Nirvana Project’.

After a period of 10 years, he now has time to freely recover. Having trained until he had excellent military and martial skill, he sweeps through various military districts and returns back to his hometown. Under the monitoring of a beautiful female cop, he re-establishes his family’s bodyguard service, protecting beauties and moving unhindered, his achievements causing the fame of his outstanding, god-level bodyguard service to resound across the world!

- Description from Novelupdates

Eons have passed since the prophesied godslayer met his demise. Yet, in a world reborn, whispers stir of his return, of a new man born from the remnants of an ancient prophecy.Kallen, destined to master the delicate balance between chaos and order, light and darkness, emerges to defy the very fabric of fate.Existence is a tapestry, one whole, connected, and indivisible. It is woven by the fabric of fate, spun with the strings of karma, and stitched with the threads of causality.Yet, within this unity lies individuality, and this individuality is the essence of existence. The manifestation of essence is Will.But what is a sparked Will against one akin to a raging inferno? What is a child before a mammoth? The conviction of a mortal before the boundless Will of cosmic beings?The answer is defiance!.A defiant Will, is what Kallen needs to liberate himself from the suppression every mortal endures from apex lifeforms. To live his life free, unhinged and on his own terms.But it takes a bit of crazy to be brave, and Insanity to be defiant.This is the story of a mortal breaking limits to achieve Apexification, to walk with his head held high and free in every corner of the universe.It is the irony of a slave who holds the reins, even as their chains bite deep. It is the cry of a heart bound in servitude, yet refusing to surrender its essence.

Zheng Tan somehow returns to the year 2003, turning into a black cat. Picked up from a rubbish heap by the Jiao family, he is given the name “Charcoal”, and so begins the life inside Professor Jiao’s family. Zheng Tan remembers that he was once a person, but currently his body is that of a cat. He has no way of speaking the human language, but can understand it, and even retains the thinking and IQ of a young 20 year old youth. Read along as he adapts to this new world, and somehow tumbles from a group brawl to catching a thief.

- Description from Novelupdates

Bubbles…Soft, fragile, and fleeting. They drift without purpose, bursting at the slightest touch.They aren’t weapons. They aren’t threats. Just harmless playthings, forgotten the moment they vanish.But what if bubbles weren’t so innocent?What if, in a world of Hunters—where magic shatters mountains and fists split seas—someone awakened a Skill based entirely on bubbles?A joke. A death sentence.Goblins would laugh.The weak would pity him. The strong wouldn’t even bother to look twice.But powers can hide secrets. And some truths are buried in plain sight.When a nameless F-Rank awakens the “Bubble Skill,” no one expects him to survive.Let alone rise.However, the indomitable spirit of River Faelan refused to die.Step by step, he climbed to the top—shattering every limit placed on a “mere” Bubble Mage.He proved them all wrong.And he’ll do it again,Even if it means starting from the very bottom… for one more time.