One Piece: Pirate King? I just want to kill all of you - Chapter 42: Heh, Such Weak Devil Fruit Users

Nine Realms Sword Emperor, a legend returns, leveling everything.Genius monsters, trampled underfoot, powerful beings, wiped out with a wave of a hand.If people do not offend me, I will not offend them; if people do offend me, annihilate their entire family.

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.

Transmigrating into a parallel world; becoming a billionaire that everyone looks up to. Qing Tian, who had thought he could finally live a life of wealth, suddenly finds that this world seems just a little strange… His son, a junior studying in college was beaten by a stranger who had just arrived in the city? Does this kid want to slap my son across his face during the student union?

【Ding! the Ultimate Villain System is awakened】

【Reward for successfully educating my son: Divine Toxic Medicine】

【Reward for successfully changing the plot trend: God-level car skills】

【Reward for successfully capturing the female lead: plus…】…

As the father of a villainous rich kid, not only should he educate his son, but he should also do whatever he can to deal with the protagonist…

Ling Xiao was a powerful martial expert who fell in battle and was unexpectedly transmigrated into another world. He began life anew in the body of a boy with the same name, a fallen genius of the Ling Family whose cultivation had been crippled in a surprise attack, and son to a father who had also suspiciously been crippled under similar circumstances. Armed with knowledge from his previous life, Ling Xiao aim to restore his strength and establish his place at the top of this new world

- Description from Novelupdates