The Inner Odyssey - Chapter 47: Deafening Crack

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.

As the youngest son of a top chaebol in the Blue Star entertainment circle, Lin Zhibai thought that his life was just to eat and wait to die.

Until that summer.

The system fell from the sky, and he awakened the memory of his previous life.

“So I’m from Earth?”

- Description from novelbuddy

The whole world mutated. Mysterious resurrections happened in real life. The Tribulation descended.

There’s a legendary Bishoujo Game that has become popular among Japanese gentlemen.