Living with the Dangerous Beast - Chapter 4: The ‘Wildcat’

The uncanny Dao of heaven, the abnormal immortal and buddha, is it true? Is it false? Lost in confusion, Li Huowang can not distinguish.

However, it wasn’t just these that he cannot distinguish, but also himself. He’s sick. He’s very sick.

- Description from Novelupdates

In a world filled with Ability users, Demons and Extraterrestrials, Damion Darkblade finds himself born there without any parents to care for him, or an Ability of his own.This rare deficiency causes him to get bullied by his peers always, and his life became a living hell in the academy.The bullying gets so consistent and terrible to the point where he almost loses his life one day.However, with the interference of fate and a stroke of luck, he is recognized by someone with unprecedented power, and Damion's quest for revenge and ultimate glory blooms.[Congratulations Host!][You have received the Dragon God's Legacy][You have unlocked the Ability: Shadow]

500 years ago, Chen Xi was devoured by a crack in the void and was transported into a cultivation world.

500 years later, he returned back to Earth after enduring through several hardships and discovered that only 5 years had gone by.

…

In the courtyard, beauty at the side, a candle flame wavering.

A gush of clear wind, half a full moon, the peach tree remains unchanging.

…

Wait, whose kid is this?! Why is she calling me papa? Gazing at the little girl in front of him with skin as pale as jade, Chen Xi froze.

…

　
Returning home from cultivation, starting as a stay-at-home dad.

In this life, not fighting to be a king nor claiming to be a tyrant, only praying to peacefully be a wife-pampering mad devil and a child-protecting daddy!

- Description from Novelupdates

At the beginning of the 21st century, twelve reincarnations shattered the void and returned to their hometown.

They preach the world and reopen the space of reincarnation.

Then……

“The Republic of East Asia announced that it will fully implement a five-year spell casting and twelve-year simulation mage training policy.”

“The Republic of East Asia has announced a new change in the marriage law, making it legal to marry someone you call upon after meeting the adulthood conditions of your respective race.”

“The Republic of East Asia announced that the East China Military Region No. 1 Mobile Armor Brigade was established, and the special humanoid mecha “Gundam” officially joined the campaign.”

“Congratulations from the United Kingdom on this, the upper hero Arturia Pendragon will visit Shanghai next month”

“In the far east of Japan, the ignition of the wave engine failed, or seek energy assistance from the East Asian Republic.”

“Space cracks have been discovered in the Chernobyl region, alien creatures have ravaged the Chernobyl region, and the Russian Defense Forces have entered the battle.”

Four years after twelve reincarnators changed the world, Li Ping entered his own battlefield for the first time.

PS: Although the introduction is like this… but in fact it is written about two thorns + machine battle + movie + mythical stew…

- Description from novelbuddy