Baka to Test to Shoukanjuu‎ - Volume 12, The Fifteenth Question

It’s the age of superhumans!Genetic modifications, Cybernetic enhancements, magic enchantments- the choice is yours! For the right price, you can rise above the masses and gain power only ever seen in myths!For the right price!No matter how far humanity advances, power will always fall in the hands of the wealthy few. It was a truth Dante learned at a very young age and with it came a burning hatred for those who look down on everyone from their ivory towers.The flames grew stronger once he found himself faced with the cruelty of those who rule from above. He swore revenge on each and every one of them, but true power couldn’t be fought with hatred alone.In his search for a weapon that could help him take his revenge, Dante crosses paths with a certain Artifact, his fate taking a turn he could never have anticipated.

What's the book about? It is about Demonic Cultivation!, If you cannot handle it, Please don't read it.Synopsis:When Song Wen killed the frail beggar who fought him over food and consumed his blood and soul, every cell in his body leaped with excitement. His spirit was exhilarated, and he realized then that his life would henceforth be filled with slaughter. For survival, for longevity, he would spare no effort, even if it meant creating mountains of corpses and seas of blood.

Jiang Pengji got something called the Court Intrigue Stream System.
System: “Your goal is to become the most prestigious woman in the kingdom (the Queen)!”
Jiang Pengji: “Okay, System. No problem!”
Years later, she met the target by becoming the most prestigious woman (the Empress).
Jiang Pengji: “Well done, no?”

- Description from Novelupdates