Strongest Spirit Beast Master Family - Chapter 3 - Mutation

In the cyberpunk era, corporate alliances dominated the world, and both the humans and witches were ens*aved by advanced technology, becoming nothing more than fuel for society. Unwilling to become a company dog, Xu Yang decided to run away, while saving the cute and powerful witches from the giant enterprises, together they embarked on a road of innovation!

- Description from Novelupdates

In a universe where the memory of Wisps has faded, one of these elusive beings finds itself amidst human society two billion years in the future. But what exactly is a Wisp? No one knows anymore. Join this whimsical and unconventional Wisp on a hilarious journey as it navigates an unfamiliar world, seeking its place and rediscovering what it means to be a Wisp.

An old MMORPG called Live Dungeon. Before the service was terminated, Kyotani Tsutomu made full use of 5 notebook PCs to clear the game and was invited to a different world. And then, Tsutomu was speechless when he saw a live relay of a dungeon capture in the different world. They bulldozed through without any thought of strategy. The misfortune of getting the healer position. Tsutomu reinstated the White Mage that had always been his favorite in games and aimed to conquer the dungeon to find the key to his escape from the different world.

The world is terrorized by the powerful Black Witch who has been sealed in the moon. Every ten years, the night of Hexennacht arrives and a chosen witch must battle the Black Witch in hopes of finally defeating her.

As the current decade’s Hexennacht approaches, a mysterious girl named Kagami Kagami arrives and meets Horinouchi Mitsuru, the daughter of the previous Hexennacht representative.

It takes place between Kyoukai Senjou no Horizon and the City Series, two other series by the author.