Villain System in a Cultivation World - Chapter 38: Fall of Rivals

High school student Misumi Makoto is called into a fantasy world by the god Tsukuyomi, in order to be a hero. However, the Goddess ruling the world isn’t as thrilled to have him there, and kicks him to the edge of the world. Tsukuyomi declares that Makoto is free to find his own way after Makoto is abandoned by the other Goddess.

A con-man and policewoman that are legends of their respective professions suddenly die, then are reincarnated and return to the Tang Dynasty of ancient China as little kids.

Accepting their second chance and forced restart, they choose to use the modern knowledge and specific talents that they have in their previous lives in order to live comfortably in this new life.

- Description from Novelupdates

Sakimori Kagami plays a VRMMORPG called Arch Earth Online. He is a veteran player with the name and appearance similar to an elderly bearded wizard from a certain book about a ring.

One day he purchases an appearance change item as a last resort to spend expiring currency and gets the idea of choosing what he would want to look like if his character was ever a girl.

Falling asleep should have suspended the game, but Kagami wakes up still online and feels the game has has gotten a bit more realistic. Did Arch Earth Online finally get a long-awaited update?

A young man who had longed for stories of good and evil since childhood lost his life in a tragic accident and was reincarnated as a boy named Chrono Mak in another world.

He learned that in this other world, there is magic and witchcraft, and depending on how you train them, you can become as strong as you want to be, so he decided to become the strongest demon king in order to recreate the story of justice and evil he once dreamed of.