The System Mistook Me for a Cat - Chapter 181

The youngest Wiseman of the continent, Chu Tian, has traveled 30,000 years back in time to the age of antiquity due to an accident.

This is a prosperous era. Rare herbs, minerals, treasure relics and monsters can be easily found throughout the land.

However, this is also an undeveloped era. Communications, traffic, martial arts and technology are in its early stage of development. Prosperous cities lack lighting while its citizens are uneducated.

Our decisive MC using his future knowledge creates Magic powered light bulbs, magic powered telephones, magic powered cannons, magic powered computers, artificial intelligence, psyche internet. 30,000 years worth of knowledge allows him to create miracles and shine brightly in this era. Allowing him to conquer the land and sit firmly on the throne of the 10 realms.

- Description from Novelupdates

She was a medical genius from the Noah Medical Academy as well as a drug producing specialist. After sleeping for three days, she had returned to the ancient era and become the loyal marquis palace’s ignorant and silly young miss.

I became the childhood friend of the protagonist in a novel. The childhood friend who died from taking drugs.

In the year 4 Before the New Calendar, just four years before the arrival of the Great Tomb of Nazarick, Lyle finds himself sitting by the roadside, gnawing on a piece of coarse black rye bread. His gaze is hollow, tinged with despair—he has been transported to the world of Overlord.The prospect of facing the devastating events to come chills him to the bone. In just a few years, the Great Tomb will unleash its might, razing nations and reshaping the world. Lyle foresees two grim paths ahead: perishing in the cataclysmic aftermath or surviving to live under the rule of the Sorcerer Kingdom.But as hopelessness threatens to consume him, a unique panel materializes before his eyes: Innate Ability: “Player”.Armed with the same advantage as the feared entities of Nazarick, Lyle resolves to carve his destiny. If they're all players in this grand game, why should he cower before them? The race against time begins as he seeks to grow stronger, navigate the treacherous world, and defy the fate that looms ever closer.