MTL - Reborn In the Tokyo Bubble Era - ~ About the update and the plot, explain

When I opened my eyes, I found myself in a game where heroes and villains prevailed. I was told I would be granted one wish if I clear the game. The protagonist, who received a growth cheat that allows you to steal his stats by killing an opponent. He kills villains to grow up, but for some reason people mistake him for a “dark hero.” [Story-oriented]

What if the president always coerces her to do “hard work” on the grounds of deducting her salary?
To do or not to do?
After finishing the work, Lin Sheng silently took out his mobile phone, opened the circle of friends, and pressed down word by word:
The president asked me to work at her house again!
President, she has a little white face!
The woman behind the successful woman is me! it’s me!

Domineering domineering president X small staff
The daily life of the president and the staff is so sweet and sweet~

- Description from novelbuddy

My sick sibling died so my usefulness is over. With that I choose to die, but I became a villainess in a third-rate novel?! In face of miserable end, I thought I can end this troublesome life with my own hands… But why do they keep trying to save me? “Don’t take your partner status from me, Selina.” “Can you dare to be greedy?” My life is getting better and better, and the day I will die is coming. What should I do?

Sienna Lawrence's world shatters when her beloved adoptive family perishes under mysterious circumstances, leaving her as the sole heir to their business empire. With the Lawrence legacy in her hands, she faces a daunting challenge: not only must she protect herself but also safeguard the family's assets from those who seek to exploit them.The catch? To claim her inheritance, Sienna must be married. With her boyfriend revealing sinister intentions and danger lurking around every corner, she embarks on a quest to find a husband.In a moment of desperation, Sienna turns to a stranger she meets by chance.“Mister, are you single?” she asks.“Huh?” The man looks at her, perplexed.“Are you married or in a relationship?” she clarifies.“No,” he replies.“How about a crush?”“None so far.”“Good. Where do you work?”“What?”“Forget it. It’s not important. Do you know how to cook?”“Yeah.”“Is your cooking good?”“I guess so,” the man answers, still puzzled by her questions.“Perfect. I’m single, you’re single. Do you want to marry me?” Sienna asks boldly.“I never expected to be proposed to by a stranger all of a sudden. I don’t…”“If you’re not willing, I’ll look for someone else. No pressure.”“Who said I’m not willing? I’m more than willing,” the man replies without hesitation.And so, Sienna ends up with a husband just like that.Things take a drastic turn when Sienna discovers her real parents, leading her to unravel a conspiracy that could potentially turn her world upside down. What connection does her husband and her real family have? Why is the man turning more mysterious as time passes?