The Profligate Madam of the Family - Chapter 31 - My Wife

Zhu Kang, a trafficked soul, was captured by an evil organization and was stripped of his real memories. Unaware of the dangers he worked for this evil corporation as a system.One day, all of a sudden, fifteen men dressed in black started a shoot-out killing all the other systems.In desperation, Kang threw himself into a transmigration device that tossed his soul into a random world.“System 202 has escaped.... a-again.....” one of the black-clothed men said. Trembling, he glanced at their team leader.Kai Alden gritted his teeth. “You let him slip away so easily! Send me into that world. I will capture my dear System and bring him back here,”

Three Days of Happiness is a novel by Sugaru Miaki, also known as Fafoo. It’s a rewritten version of the story originally posted to 2ch.

The premise of the story revolves around a shop where one can sell away the remaining years of their life, and the consequences of doing so.

“I Say A Little Prayer” is a short related story which was posted along with the novel’s release. It spoils some things about the main story, but nothing major.

Upon meeting the girl who would become her adopted younger sister, the duke’s daughter Christina regained memories of her previous life. Through those memories, she learned that her new sister, Mishuli, was the heroine of a certain story. And though the story depicted a Christina who abused her sister, the real Christina turned into a siscon who spoiled Mishuli to no end.

After getting betrayed and killed by the only person she’d loved, Miss Shang wakes up in the body of the cowardly crown prince Shang Wuxin, who, due to her own circumstances, was actually a girl cross-dressing as a boy. After inheriting the crown prince’s memories, Shang Wuxin has three things on her agenda:

1. Clean up the house

2. Gather loyal followers and soldiers

3. Get the throne

- Description from Novelupdates