MTL - Pretend To Be a Good Person In the World of Conan - Chapter 486 you have a vest too

Bad End Night is a novel by Hitoshizuku-P, based on a series of Vocaloid songs, the NighT Series. The plot revolves around eight actors trapped in a never-ending play, seeking a way to escape.

This novel is also known as Reborn In Space: Pampering The Genius Doctor And Businesswoman

In her past life, she had no one to rely on and died alone in jail.

But now, she has been reborn, given a second chance.

Got an heirloom.
Activated a mystical Space Dimension.
Studied medicine and became a genius doctor.
Opened a clinic.
Founded a company.
Bought a house and land.
Found her blood relatives.
Her worth became higher and higher.
Her fan club became bigger and bigger.

“Young master, the Zhao family’s young master faked an illness and went to future young miss’s place for treatment. . .” said a servant.

“Break his legs! Fail his organs! A fake illness? I’ll make him sick completely!” A man said.

“Yes! But young master. . . what are you doing?” The servant said, confused.

The man finished swallowing a bunch of expired pills and said, “I’m sick, gotta go find my wife for some treatment!”

- Description from Novelupdates

The daughter of Prime Minister is a nympho?

The brutish Prince is her husband?

The stroppy Princess wants to kick her husband off the marriage sedan?!

“Shit! I want a divorce!”

“Why?!”

“You can’t satisfy me in bed!”

The next day, Prince Chennan becomes the laughingstock of the whole Kingdom of Dayue.

How Hua Yueling, the Stroppy Princess with a soul from 21st century, will create her legendary story in this ancient world?

- Description from Novelupdates