Naruto System in One Piece - Chapter 504: The Strength of the Four-Tailed

After dying in a car accident, Lin Chu Xia awakens to find herself returned to the age of twenty, the year she was supposed to be married, along with her elder sister Lin Jia Yi who has also been reborn. The first thing her sister does is snatch away the man she was once married to, who in her previous life was extremely wealthy. Not only that, Lin Jia Yi insists on giving Lin Chu Xia her own apathetic and workaholic husband from the past life who rarely returned home.Lin Chu Xia laughs, as this arrangement suits her just fine, hoping her kind sister does not regret her decision. She's curious to see if her indifferent ex-husband can rise to be the highly pursued President Li without her. As for herself, armed with full skills and a space ability, she doesn’t mind the lack of parental love, because her in-laws are there to dote on her. She starts businesses and factories, living a life that becomes more prosperous by the day.As for that workaholic husband who barely comes home twice a year? It doesn’t matter to her, as long as it doesn't interfere with her money-making, she’s content to be his invisible woman in the background....Qin Yang, compelled by his mother’s heartfelt words, returns home to marry a young bride. A man who prioritizes work over family, he thinks providing money is fulfilling his duty as a husband. However, he discovers that his wife has more money, a larger presence, broader connections, and is adored by everyone she meets—leaving him in a daze.Between clenched teeth, Qin Yang decides: If money won’t work, he’ll leave her with kids!

Ye Cheng transmigrated to Douluo Dalu where martial spirits reign supreme. Unfortunately, the martial spirit he awakened was a useless martial spirit, without even soul power. He could only be an ordinary person for the rest of his life.One day, his family was wiped out by their enemies. Ye Cheng was forced to run away while his clan gets slaughtered. He then lived for 20 years, unable to achieved anything with his useless martial spirit.Fortunately, at this time, he had awakened his cheat; He only needed to make up a persona for himself, and he could turn the power of the persona into his own. He made up a persona with twin martial spirits. When everyone believed that he had twin martial spirits, he had twin martial spirits. He made up a persona that would become a god in the future. If everyone believed that he was a god, then he would become a god!

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

I was reborn into a chaebol family.Into a time with no cryptocurrency, no internet, and nothing else.