The Villain's Wife - Chapter 21: Asking a Question

A ritual gone wrong gave him the world's deadliest Class—now all he wants is blood.Zeth stole the most powerful ritual magic in the world from a mad cultist. A Class that's fueled by the blood of his enemies and human sacrifice. One that's illegal to use, punishable by gruesome death. And now that he has it, he's faced with a choice: hide away for the rest of his life from those who would hunt him down, or embrace the power, becoming the hunter to get revenge on the murderer that stole his friends' lives.For Zeth, that's no choice at all.His enemies have to die. And he plans to use every drop of blood, eldritch ritual, and demonic summoning he can to kill them.

Xiao Rou, a girl growing up in a poor countryside family, finds that she’s actually the daughter of a wealthy couple. Her mother had mistaken another girl for her back at the hospital. Thinking she would change from an ugly duckling to a noble swan and live happily ever after with her real family, reality strikes her in the face.

The other girl, Xiao Jinning, who had taken her family, her fiancé and everything else from her, uses every mean possible to frame her up, so when she returns to her biological parents, she finds her parents despising her while still doting on Xiao Jinning. Framed as a thief, she is expelled from the family and as soon as she walks out the door, she gets hit by a car and her spirit dies a miserable death thanks to Xiao Jinning.

Meanwhile, Tang Xi, a real princess, the heiress of the powerful Empire Group, is murdered by her greedy relatives. When she opens her eyes again, she finds herself in another girl’s body. She has become Xiao Rou and has a magic system—008 in her body! With the help of 008, she begins her journey for revenge. She would avenge poor Xiao Rou, punish her murderers, become the most famous star, and… make up with her true love—Qiao Liang.

- Description from Novelupdates

(following the boat) When a person who can get random superpowers every day enters the world of pirates and joins the protagonist group, what will happen as a result?

Luffy: “Si Guoyi! Lin Bei, let’s jump from the sky again!” Kebi: “Please don’t!” Sauron: “Be sure to leave Lin Bei’s room at twelve o’clock every day!”

Nami: “This bastard, just let me…” Akainu Sakasaki: “Bastard Lin Bei, turn me back into a man!

The old lady used her ability to come to her aunt once! “Big” boys, come and meet your father! “Lin Bei:!!! This really doesn’t exist!!!

- Description from novelbuddy

How could a poor graduate student without any background or connections become successful? With a coaching system? An upgrade? This is not a computer game, but real life we’re talking about!