Adding Friends Can Make Me Stronger - Chapter 39 - He Was Just Careless, and a Hidden Bigshot?!

Ruel finds himself thrust into a brutal post-apocalyptic world, bound to a bizarre “Milf System.” This system demands morally questionable acts – NTR, seducing milfs, and claiming other men's wives – as the sole means of gaining strength and essential survival skills.The brutal reality of this new world awakens Ruel's hidden lust and dark desires. He swiftly abandons any semblance of morality, embracing the system's perverse demands with growing fervor.Driven by an insatiable hunger for power and pleasure, Ruel revels in the ravages he inflicts, using his newfound abilities to dominate and conquer.His journey transforms him into a ruthless force, where survival is intertwined with the satisfaction of his darkest urges, leaving a trail of broken relationships and conquered women in his wake.

A tree of 10,000 flowers, the world is the door.
The spells change a lot, but the hearts of the people are unchanged.

- Description from Uukanshu translation

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Enigmatic hands, spectral frame, and one cunning strike just like the swing of the Grim Reaper. The Supreme Assassin takes on the mystical world, and how his legendary tales sets off, progressively ascending the altar to becoming the best.

- Description from Novelupdates

As long as hamster spirit Shu Shu can survive the lightning tribulation, then his cultivation will be able to turn him into a human. In the end, the lightning tribulation strikes him and he arrives in the… future?

Touching the hamster’s ear on his head, in order not to be seen by people and taken to be a monster, Shu Shu decides to dig a hole in the forest to hide and live, and as a result… a very big snake aaaahhhh! Please, don’t eat me!

The crown prince of the beast empire is seriously injured and becomes a beast that could no longer change into human form. He lives alone in the forest. One day, he sees a cute sub beastman deep in the forest. The sub beastman also sees him. At once, the sub beastman’s eyes roll backwards and he faints…. Scared to death?

Shu Shu: I have a unique technique of faking death.

- Description from Novelupdates