The Regressed Blood Knight's Strategy - Chapter 13

[Have you become more learned today?][Accounting for the capacity of your brain, your study efficiency has been increased to 28 times that of normal.][The remaining amount of energy you have for studying today, 26 hours.][You will enter an exhausted state when your energy is depleted and be unable to obtain new information.][Please relax by using the functions within the system and restore your energy as soon as possible.]With limited energy and the onset of fatigue, the Study Monster had no time to think too much--papers to come!Had the heavens not grant me this system, the unending sea of knowledge would seem like a long night.

“W-w-w-welcome to the simulation zone.”“New user recognized.”“Proceeding to register...”“Please wait...”“Register complete.”“Welcome, user number 4956: Evan Rotewed.”In a world of mana, those without reserves for it gets left behind. Rules and regulations are set to categorize everything into neat piles, each promising the highest potential a person with mana can get. Starting his life at the rock bottom, Evan Rotewed swore he will rise above it all, even if he had to break the ironclad system the entire world holds close to its chest. Wave a hand to the broken reflection beyond the mirror of ones and zeroes. System Discord.

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