The Fallen Vampire - Chapter 144: Fight! Fight! Fight!

A novel revolving around being transported to another world with an op system. The mc spends his day chasing skirts and doing missions to level up. A standard journey to the top with lots of girls from various animes and games with a twist of that gaming feel (hunting mobs, doing missions).

- Description from novelupdates

Upon waking up, Lu Qi turned into a tentacle monster.
As a tentacle monster, Lu Qi was not satisfied with using the tentacles to stun the elves, horsewoman, and magical girls. He wanted to learn the evil gods and make some big news in the multiverse.

“The abyss race never adapts to the environment, anyway, the environment will adapt to us sooner or later, and the same is true of Azeroth.”
“Humans, don’t play the tech tree anymore, you should add your points to” Spirit Vision “and” Mad Men’s Knowledge ”

“The inclusion of Godzilla, Quitola, Mozilla, and Ultraman in the” Luxury Lunch of the King’s Plan “is a matter of very little moral quality. Everyone has a responsibility to care for rare species.”
“Now take the initiative to blast your own worldview, we will give you a Saya sauce for free”

“Don’t worry about losing the SAN value, you can add a crazy attribute to be negative.”
“I decided to learn from the predecessors first and set myself a small goal, such as conquering the 6 billion carbon-based monkeys on this planet …”

- Description from Uukanshu

Meet Sora and Shiro, a brother and sister who are loser shut-ins by normal standards. But these siblings don’t play by the rules of the “crappy game” that is average society. In the world of gaming, this genius pair reigns supreme, their invincible avatar so famous that it’s the stuff of urban legend. So when a young boy calling himself God summons the siblings to a fantastic alternate world where war is forbidden and all conflicts–even those involving national borders–are decided by the outcome of games, Sora and Shiro have pretty much hit the jackpot. But they soon learn that in this world, humanity, cornered and outnumbered by other species, survives within the confines of one city. Will Sora and Shiro, two failures at life, turn out to be the saviors of mankind? Let the games begin…

This is a time of great powers: The vast Persia, Sparta that is founded by force, Athens with its trade and business, Thebes the rising star, The ambitious Macedonia, The twin heroes of the Western Mediterranean, The rising Rome and so on.

This is an era of brilliant stars: Agesilaus II – the last king of Sparta, Epaminondas – the Rising General of Thebes, Philip II – the founder of Macedonian hegemon, Dionysius – the tyrant of Syracuse, Camillus – the Roman dictator and savior…

This is an era of contention among a hundred schools of thought: Plato – the great philosopher, Antisthenes – founder of cynicism, Pythagoras – school of number, Democritus – the encyclopedia scholar, Hippocrates – the father of western medicine, Aristophanes – the great dramatist…

What will the hero bring to the world when he comes to this age as a humble mercenary through rebirth?

- Description from Novelupdates