MTL - Being a Koi in a Survival Game - Chapter 176 Reality? Hidden Riches

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

MC (female protagonist) dies in a plane crash and wakes up in the body of a beautiful but corrupt and lascivious prime minister in ancient times, Zhang Qinglian. As circumstances decree, he (she) cannot reveal that the original owner’s soul is gone else calamity might occur. So he (she) decides to walk a righteous path, determined to help the lovely but simple little emperor rule the country. Not backing down after facing torture, not losing courage, destroying rebellions and facing off with scheming princes.

Sunny Draco was a middle age man with a completely normal life... Yes, Completely normal life... no wife, children, friends, and most of all... no money!All these changed after getting transmigrated into the future... literally thousands years in the future... Insane.With this new identity, and background, and with the infinite wealth system... Sunny will have to find a way to maneuver through this new life, and dangers.[DING!][You gained a new quest.][Spend 50 billions in 24 hours.][Rewards: Gain grand grade skill.]“Spend 50 billions in one day?!! This will be fun.” Sunny said with a smirk.

A chance to change, to challenge destiny, making dreams a reality, and live a legend! A regular man gains a system that allows him to turn into a fish!

- Description from Novelupdates