MTL - Yu-Gi-Oh!: Underworld Boss, Cancerous Creator God - Chapter 86

Chuang Shi Shen created a system world in Boredom, where thousands of NPCs travel in various time and space to help the host fulfill his wish. Bei Qiu is one of the NPCs, an NPC whose teeth are stuck in cold water. She protested that NPCs also need to have love, affection, meme, and papapa! Someone directly threw her into the female supporting role strategy system! One of the most difficult and cheating system! Bei Qiu said: “Leader, I am with you, can you hold your hand high?” Zhong Yexuan said: Get out. Raiders president, Raiders monk, why did she become the zombie king? Do you want to attack the orcs who can solve their animal desires anywhere? She said no!

- Description from novelbuddy

This is a novel about a former human becoming a demon because of a game . Living the life as a demon from the abyss and crossing to other worlds.( there will be different systems in use.. different plots... different Powers. expect cultivation system, game system, magic system and much more ).His main objective is to destroy and cause chaos among the multi universe. Also this novel is using a ranking that affects both the anime verse and comic verse. Void becomes a primordial demon and step by step changes the view of all races about demons.demons are not weak , demons are pure chaos. Note the MC is cruel and indifferent to life . A dark novel.. don’t expect a son of destiny... Infact void isn’t a villain he is much much cruel . Don’t read if u are weak minded.

Jiang Su transmigrated.

He transmigrated into a BL harem novel as the novel’s main character, jianghu’s number one beauty, who bewitches the masses with just his face, then is subjected to shame, humiliation, and infamy at the end.

To prevent this from happening, Jiang Su diligently practiced his swordsmanship. But then he suddenly realized…If he is still single when the original storyline ends, he will be forced to return to his original world.

Jiang Su: ……

- Description from Novelupdates

A serious accident caused the protagonist’s brain to have an unusual mutation. This changed the brain development that it opened the door to a mysterious universe. Not only he obtained a ‘god-like’ powerful telekinetic control and mental perception, he also had an abnormal analysis and memory capability comparable to super computer. Having such super brain, his rough life began.

Brain development progress 10%…….20%……50%….80%…. …100%

- Description from Novelupdates