Black Corporation: Joseon - Chapter 210

Her step-sister just died three months ago. Now, she insists on marrying Chu Lui, who is supposed to be her future brother-in-law, the mind behind the Chu Enterprise. The world is sure that she, the new bride-to-be, had caused her step-sister’s death in order to seduce him.

The Empress who dies in torture, An Rushuang is her name. After she wakes up, she finds herself has time-travelled to when she was twelve years old, but she would turn into Major General’s white horse at night. He is a general who orders about the winds and clouds on the battlefield, and she is a little girl lives in her boudoir seclusively.
She endeavors to change her fate, and he spared no effort to win every battle. They meet each other every day, well, it’s night to be accurate. Is that a dream or not? She pleads to marry the seignior to win peace for her family, only to find he is the one she is going to marry.
“Growing old with you under the same roof is my long-cherished wish”, thought them both.

- Description from Novelupdates

My name is Chen Mo, a gaming nerd.Recently, I've been obsessed with a single-player game called “Absolute Immortal” and have defeated the final boss, [Lady Yu], over a hundred times using cheats.Then, I transmigrated.I became Lady Yu's lackey.On my first day at work, why does it feel like Her Majesty is looking at me strangely...?...My name is Yu Youhan, Imperial Consort of the Yuan Dynasty, with immense cultivation power, dominating the nine provinces.I recently had a 'dream'.In the dream, I was wantonly tormented by a man, utterly powerless.I initially thought it was a mistake in my cultivation, thus giving rise to a heart demon, until that 'inner demon' appeared right in front of me......Within the high walls of the deep palace.'There are many ways to conquer a heart demon, it doesn't necessarily have to be through force...''Your Majesty, I, I admit defeat!''Who allowed you to admit defeat? Dare to defy this palace, and you'll be punished for another hour!''...'