The Crown Prince Who Raises a Side Character - Chapter 83: Librarian Ernest (4). The Consequences of Ignoring Advice

Don’t be deceived by the title of literary and artistic book, the real title is “Report on Clinical Treatment of Sexual Dysfunction”
Petto talked with his ex for three months, and with his ex for three years, and he is still a virgin today.
It’s not that exes and exes can’t. It’s not him.
In the entertainment industry, you are affected by sexual dysfunction, and you are in the late stage of attacking you.
Very bloody, silly sweet and white.

Content label: entertainment circle
Search keywords: protagonist: Bai Tu, Liang Xi ┃ supporting role: Zhou Niansen ┃ others: main subject, attack and control

- Description from novelbuddy

The female protagonist is reborn, and her gift is a system that's both deaf and mute!Want to be a jack of all trades? It can be done!But first!Sit down and do some moving...Your brain!Only then can you earn Knowledge Points! With 100 Knowledge Points, you can convert them into 1 ability point, which you can exchange for...Oh~you know what!Family must be taken care of, debts of gratitude from the past life must be repaid, and the childhood sweetheart accidentally missed in the last life awaits her rescue!The proud system said, “I'll just quietly watch your struggle!”Zhen Yu retorted, “Aren't you supposed to be both deaf and mute?”Onlookers from various dimensions on the Trading Platform: “Tsk! Such a pitiful girl!”

In a world where fate is dictated by prophecy, heroes are chosen by the gods, and Dark Lords are doomed to fall… Lucian Draeven refuses to play along.Once feared as the greatest Dark Lord in history, Lucian had the world under his iron rule—until the so-called Chosen Hero struck him down in a blinding flash of divine justice. The kingdoms cheered. The world rejoiced.Too bad Lucian isn’t actually dead.Having faked his demise and gone into hiding, Lucian watches from the shadows as a new Dark Lord rises, more reckless and incompetent than ever. Worse, the gods have selected another overly enthusiastic, sword-swinging Chosen Hero to bring “peace” once again.The problem? Neither of them have a clue how to actually rule the world.As kingdoms crumble, wars break out, and the balance of power teeters on the edge of collapse, Lucian comes to a horrifying realization:If the world is going to survive, then it’s up to him—the so-called villain—to secretly fix everything from the shadows.But there's just one little catch…Lucian’s legendary Dominions are still sealed, and the only way to regain his strength is by playing the role of a villain once more—spreading fear, manipulating his enemies, and pulling the strings behind the scenes.Now, as the oblivious Hero and foolish new Dark Lord battle it out, neither realizes that the true mastermind is watching their every move.Because if the world wants a villain…Then Lucian will be the greatest villain it has ever seen.

She is a top-class spy, a poison specialist, but also a young and cute girl with a sinister temperament. In spite of her sweet and innocent appearance, she can complete any tasks without the slightest hesitation. One day because of an incomplete black magic, she was sent into the body of a girl who was deemed as a good-for-nothing. What kind of change will she bring to this continent?