Ancestral Wealth Inheritance System - Chapter 314 - They are all orphans

I...AM...MOB CHARACTER!!!Sigh~My name is Samael, I was an office sla- I mean a worker who worked 9 to 5. It was a daily routine of monotony until one fateful day when I went home only to find my best friend with my girlfriend. Betrayal was the first thing I felt, followed by rage.And after taking ‘care’ of them, My surroundings changed…Looking at my reflection in a mirror, I noticed my appearance had changed. Gone was the face of the disgruntled office worker; instead, “SAMAEL ASHWOOD!!!” a character from a novel I used to read. But this wasn't just any character; I had become him—the sacrificial best friend of the protagonist who was betrayed and died in just the first two chapters.PROTAGONIST DIED!?[Heavenly Destiny System Initializing...][...]

With the marriage of her prostitute mother to the Count, Aria’s status in society skyrocketed immediately. After leading a life of luxury, Aria unfairly meets death because of her sister Mielle’s schemes. And right before she dies, she sees an hourglass fall as if it were a fantasy. And just like that, she was miraculously brought back to the past.

“I want to become a very elegant person, just like my sister, Mielle.”

In order to face the villainess, she must become an even more wicked villainess. This was the new path Aria chose to take revenge on Mielle who murdered both her and her mother.

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

“Each time you break a rule; I’ll claim a part of your body as mine” Forced to marry the heir of the largest mafia syndicate to pay for her parent’s debt and her grandmother’s hospital bills. “Live with my son for 30 days, if you don’t fall in love with him, I’ll cancel this contract.” Can Malissa live with the handsome, hot and dominating Hayden for 30 days without falling for his charms? However, there are rules to living with this lusty monster and as Malissa breaks them, she learns of pleasures that she never knew existed. As his touches set her on fire, her heart starts to melt. But does the two have a future together when Hayden is in love with someone else and Malissa cannot get over her ex-boyfriend? READ NOW to find out!