MTL - Longevity Begins with Marrying a Wife - Chapter 122 don't sink

Jiang Pengji got something called the Court Intrigue Stream System.
System: “Your goal is to become the most prestigious woman in the kingdom (the Queen)!”
Jiang Pengji: “Okay, System. No problem!”
Years later, she met the target by becoming the most prestigious woman (the Empress).
Jiang Pengji: “Well done, no?”

- Description from Novelupdates

[Disclaimer: Contains comedic humor and elements that may not be your preference. There is Gender-Bend, NSFW in Some Chapters, Futanari, GL/Yuri, Harem, Gore. Future Chapters Will Have More NSFW Scenes. Be warned before reading and go to other books you may like.]A devastating tragedy befell the Imperial Family of the Valtirium Empire, with the emperor and his offsprings meeting a grim fate. Amidst the destruction, one unexpected heir remained - the youngest and most infamous of the Imperial children, Argider Valtirium. A lustful man who bedded several women.Upon inheriting the crown, Argider seized the opportunity to cast off the shackles of responsibility and propriety. Driven by a mix of grief, resentment, and an insatiable desire for personal pleasure, he indulged in every whim and vice that came his way.However, fate played a cruel trick; he was assassinated. Then, in mockingly after he finally promised to act on his duties, he awoke the next day as a... girl?!- [Welcome To The Redemption System. Repent Or Stay As A Woman Forever!]“?!”In order to return to his former self, Argider needed to become a better person. Will he endure the all the forced character developments, the consequences of his actions, the constant disturbance between him and his desires, and last of all, redeem himself as a human?Follow him on his journey to get through the political ambitions, personal struggles, wars amongst the people who he had done wrong, and reflections after becoming a woman.

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

Yamagata Tatsumi and his family were traveling in their car when a wild truck smashed into their car. But wait! The MC wasn’t dead yet, his entire family was though. With his entire family dead and relatives abandoning him, the only one remaining by his side was his pet cockatiel. For a year he lived only with his pet, who had been with him since childhood. But finally, her lifespan reached its end and she died in his arms.