Myst, Might, Mayhem - Chapter 65

The empire has turned into the land of the undead due to a spell gone wrong. God summoned heroes from countless worlds to purify the empire and plant new hope. Lee Shin Woo, an ordinary earthling, was also summoned. As an undead, that is.

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

“Dad, when mom dies, can Aunt Chloe become my new mom?”“...Okay!”Heartbroken, Serena Sinclair decisively filed for divorce.Certain that she would regret it, Adrian Lockwood agreed without hesitation.He didn't expect that after the cooling-off period ended, Serena left without a trace of reluctance.On a stormy night, Adrian sent a message to Serena.“Serena, don't push me to act. You know my temper!”“Serena, I'm giving you one last chance! ...Come back obediently, and things will be just like before!”“Serena, Miles misses you. I miss you too. Won't you come back?”The phone rang with a cold and faintly amused voice, “Adrian Lockwood, you're so shameless! ...If you don't want to die, stay away from my wife!”...Wyatt Hawthorne didn't believe in fate, but later he discovered that long ago, destiny had already cast its net around him.That net had a beautiful name called Serena Sinclair.

Seven years ago, at a charity gala, she unintentionally became his cure and ended up pregnant with fraternal twins.