MTL - There is a Fairy Tower In Baiyun’s Birth Place - Chapter 6 Obtain supernatural powers

Five years ago, she was schemed by her sister and became pregnant. Five years later, she returns with strength and becomes a money god in everyone's eyes.“President Jiang, Mr. Xu sent over two pairs of 10-carat earrings, hoping to collaborate with you.”“Vulgar, throw them away.”“President Jiang, Mr. Zhang bought a plane and sent it over, asking where you plan to invest in the next project?”“President Jiang, the kindergarten teacher called, saying the little miss was bullied.”She drove straight to the school, only to see her brothers nervously surrounding her sister. She smiled lightly and walked over slowly.

MC (female protagonist) dies in a plane crash and wakes up in the body of a beautiful but corrupt and lascivious prime minister in ancient times, Zhang Qinglian. As circumstances decree, he (she) cannot reveal that the original owner’s soul is gone else calamity might occur. So he (she) decides to walk a righteous path, determined to help the lovely but simple little emperor rule the country. Not backing down after facing torture, not losing courage, destroying rebellions and facing off with scheming princes.

- Description from Novelupdates

I became the childhood friend of the protagonist in a novel. The childhood friend who died from taking drugs.

A villainess known by all as a wicked woman who has done all sorts of evil deeds—Ducal Lady Violet.
She regained her memories of her previous life after she fell into a lake and almost died.
The very moment she woke up, she immediately visited her father, Duke Everett, and asked one thing.

“Please confine me to the annex.”

And so, she imprisoned herself there.
Now that Violet was secluded away from the world’s criticism and reproach,
She immersed herself in her previous life’s memories and started painting them.

“What the hell are you up to this time?”

Everyone was suspicious of just what she might be scheming.
However, the misunderstandings surrounding her gradually got resolved one at a time…