MTL - I Married Female Lead’s Crush - Chapter 15 means

The mortal body, metamorphosis, longevity, immortality, and eternal life. These five realms, step by step, reveal themselves in front of you. As a normal person, how can one try step by step to reach and open the door to eternal life?

Between the heaven and the earth lies the mortal body, the mysteries of metamorphosis, freedom of longevity, the power of immortality, and the hope of eternal life. A story filled with endless new magic, a new world of immortal styles, people, demons, gods, fairies, magic, kings and emperors. A world of love and hatred, revenge, and mystical battle, all in “Eternal Life.”

- Description from Novelupdates

In the 21st century, she was the talented leader of the hidden family clan, once she crossed over, she became the number one waste?

Transmigrating into the novel, [The Emperor of Luck] Gu Xia received the despair villain system and became a small villain who is destined to be face slapped by the protagonist then eventually killed.

Having been through the plot thousands of times and being failed by the system every time, he finally snapped.

“System! What did I do wrong this time!?”

[Host, please calm down... There has been an error in the world that I have no control over. As an apology I can grant you extra rewards once you complete the plot!]

Gritting his teeth and having bloodshot red eyes Gu Xia finally had enough.

[I quit being the villain! Fuck the plot, fuck the heroine's, fuck the protagonist, fuck everyone, I just want to live my life without being face slapped! I QUIT!]

Unknowing to him all of the heroines could now hear his inner voice…