Sorcerer's Handbook - Chapter 22: Deathmatch Invitation

Scholar System, Business System, Confucian Saint System, Oracle System, Bald System, Ancestor System, Myriad Realms System…This is a world overflowing with systems!In this world, everyone can awaken a system of their own!Everyone can cheat their way to the peak of life!However, Xiang Beifei was utterly confused, “Why do all you locals have system cheats while I, as a transmigrator, don’t have one?”Soon, he realized—Not having a system cheat was actually the biggest cheat of all!

Through a mysterious portal, Chen Jin arrived at this strange place – a post-apocalyptic world where civilization had been destroyed.

Consequently, he found –

A piece of metal scrap
A robot trash collector
A battleground
A city
A ton and more of gold
A copy of high-tech documents
A…
In short, Chen Jin found a planet.

- Description from Novelupdates

The world was hit by an abnormal narcolepsy, and there was a mass coma. Lee-joonhyuk was transferred to a dimensional battle field as he fell into an abnormal narcoleptic sleep. This is the story of him as he starts as a minion.

Miss Witch's 'warm' daily life in the Cyber Interstellar Era, occasionally epic and impassioned.————She was a timid girl who grew up in the cyber metropolis.She was a crying child trudging through the mud.She was a Legendary star admired by the vulgar masses for her transcendence.She was a dark songstress who brought sorrow and tears to the world.She was a cold-hearted Witch who could not speak of false hope.She was a bloodstained Angel singing the finale...