System Mania! - Chapter 20: Levelling Up

In her last life, as a cold-blooded assassin, she died without leaving her body behind and was reborn to the time when she was 15 years old with a supernatural ability.

Teaching a lesson to the parents whom are jerks, playing around with the selfish younger sister, slapping the faces of weirdo relatives.

Outstanding and high combat ability, who said that both looks and intelligence can’t be applied to the same person? With that said, she got the attention of a military officer.

“You’re suspected for the crime of murder, hacking into the general server system…… There’s too many crimes to be listed, you need to be apprehended immediately.”

Song Ye raised her eyebrow and got onto the military officer, “According to Young Master Qin, if I want to be cleared off of those crimes, is there any good suggestion for it?”

A certain someone’s eyes darkened and said, “Marry me.”

- Description from Novelupdates

Being adored by one's parents and hoping to achieve something that could bring them happiness, a child sacrificed their carefree personality and chose the path of books and knowledge at an early age.Without looking back to see how those they thought were their parents were, in truth, only pushing them from behind.Esme, a prodigy from an early age, excelled in everything, unlike her sister, who, though adored by both parents, always lagged behind.Finally, after saving the company from debts and restoring it to its former glory, Esme looked back at her parents in hope of recognition but...“You are not even my daughter, you pathetic fool.”“Hehe, Sister, how about I take your fiancé?”“Um, you see, Esme, I love your sister.”“Tch, insect, how dare you reject checks whenever I, your mother, asked for money!”Those words lingered in Esme's mind before she lost consciousness and woke up inside a prison.“What are you doing here, Aron?” Esme looked at a handsome young man seated in a wheelchair, gazing at her with amusement. He was her sole business competitor, and now, he was visiting her in prison.“Nothing, just came here for a proposal, Miss Esme...”Let's see what awaits the journey of an heiress who was wrongly accused of being fake, betrayed by her fiancé, and had to seek support from her business rivals.

In a modern world where cultivators need a place to cultivate or vent their boredom, there are private businesses that set up instance dungeons with the aid of technology and cultivation magic to enable cultivators to train and commoners to experience the life of cultivation. They are called dungeon suppliers.
Xie Jin's one and only dream was to be a dungeon supplier and when his only relative passed away, the relative's inheritance gave him a plot of land and surprisingly, a 'System' Module which the relative had previously used.
With the help of the system, Xie Jin decided to pursue his dream of becoming the number one dungeon supplier.

Chen Rui, an otaku from earth, is reborn into a human body in another world, who falls into the legendary evil, brutal world of the devil called Mozu where humans are treated as food. He has to survive while facing horrors of the devil, violent dragons and a variety of power enemies depending on a strange super system chip and his wits. Surrounded by Devil’s beauties such as black-bellied lolita princess, cold queens, violent dragons, charming poisonous devils …

Wanting to live in the Devil’s world is hard! Wanting to live in the Devil’s world as a human is harder! Wanting a human to be the devil’s son-in-law is hardest!

Let us see how a small otaku uses power and strategy step by step starting from an ordinary human to writing a legend as the devil’s greatest son-in-law.

- Description from Novelupdates