Dreambreaker : The extra from 2393 - Chapter 18: What a trouble

After her previous life, Lan Ke luckily received an universal trade system, and also a ruthless food waster. After initializing the universal trade, becoming a universe merchant, it was the good days of breezing disasters, face-hitting, embracing handsome men! Though as she got stronger and stronger, she stumbled upon the scary secret of the apocalypse!

- Description from Novelupdates

Lucas Arthur was nothing more than a weak and struggling C-rank hunter, barely getting by in a world where power dictated everything. Forced to participate in a risky raid in a Class B cell, he found himself abandoned by his comrades when a deadly ambush left one of them, Andre, mortally wounded.As Lucas stood beside his dying comrade, the impossible happened. A glowing blue screen appeared in front of him.[Congratulations! You have earned the unique skill: “System Maker (SSS Rank)”]Before he could realize the absurdity of it, another prompt followed.[You have met the requirements to grant Andre the System: Evolutionary System]Driven by instinct, Lucas agreed and watched in shock as Andre's wounds healed, his strength rose, and his eyes shone with new power.Then, with unwavering loyalty, he spoke:*“Your orders, sir?”*It was then that Lucas realized he had the power to create systems for the Hunters, growing stronger with each follower.Each follower and each hunter Lucas gave a system that could evolve and increase in level and powerBut as Lucas grants more systems, powerful enemies take notice—ones who would do anything to control or destroy a System MakerWith every hunter he empowers, Lucas steps closer to becoming an existence that defies the very rules of this world.

She, Xue Fanxin, a famous medical genius in the 21st century, had transmigrated into the body of the dumb daughter of the Grand Duke.