Toaru Majutsu no Index - Volume 13, Chapter 10: Their respective battlefields. The_Way_of_Light_and_Darkness.

Traveling to a parallel world, Gu Miao became a hard-working animation director.

When he emerged from “Pleasant Goat and Big Big Wolf” and successively produced many phenomenal and explosive animations such as “Bear Infested”, “Happy Baby”, “Super Beast Armed”, “Guobao Special Attack”, the industry suddenly set off a sensation. There is an upsurge of “traversing themes”.

Facing the reporter’s interview, Gu Miao waved her hands and said confidently: “No one knows time travel better than me!”

Thus, “Digimon” was born…

- Description from novelbuddy

Zhou Peng accidentally travels through time, finding himself in a weakened and sickly body with a shattered dantian, unable to cultivate qigong. Fortunately, the heavens show mercy by bestowing upon him an upgrade system.A waste? That's all in the past...Leveling up by slaying monsters, effortless and hassle-free, he no longer has to worry about cultivating.Killing monsters grants upgrades, and so does killing people. In the eyes of others, the awe-inspiring and prestigious sect masters are nothing but shining golden bosses in his sight...With the ability to upgrade, who am I afraid of? When so-called geniuses encounter roadblocks and fail to breakthrough, all I need to do is slay a few more beastly demons. Of course, sect heads, sect masters, realm lords... are even better.For the sake of my path to divinity, offer up your lives!

Miguel transmigrated into the Wild Beast World in the body of a useless teen with the same name as himself after he was betrayed by his disciple, the Harem Emperor, for a knowledge and universal secret that he recently uncovered.In the Wild Beast World, humans could contract Wild Beasts through their Summoning Grimoire, a mysterious book that fated individuals can awaken at the age of 18.In this world of summons and beasts, Miguel awakened with the Beauty Sign-In System, which allowed him to contract legendary beauties as long as he signed in at a specific location.On his first sign-in, he received the Holy Daughter of the Red Family, the Fiery Empress of Legend.Using the Wild Beast World and the Sign-in System as a starting point, Miguel swore to return to the Immortal Cultivation World and settle scores with the Harem Emperor once and for all.Follow Miguel's journey as he reaches for the apex, becoming a legendary figure in all worlds.

“Doctor, there seems to be something wrong with my mood.”

“There is a clown in the West Side Circus, he can make everyone laugh, I think he can help you.”

“But, doctor… I’m the clown.”

“…”

This is a fantasy world after the cataclysm, where countless underground cities left over from ancient times are buried under the misty land.

There are traps, monsters, and different-dimensional spaces in the dungeon, as well as taboos of ancient gods and legends of countless treasures left over from the past.

Calamity, steam, curse patterns, ancient relics, playing card sequences with extraordinary magic power.

Remnants of the Old World, Relic Asylum, Poker Brothers, Coven, Fire Pirates, Walls of the World…

In the shadowy corners of the world, a treasure hunter wearing a clown mask walks alone in the dark.

He is Joker Ji Xun, the King of Disaster Cards!

PS. For those who are short of books, you can read the 300W+ Wanding old book “Mechanical Alchemist”.

- Description from novelbuddy