MTL - Martial Arts Master - Chapter 619 Country of Light

Bai Aoxue, the best mercenary in the 21st century, is accidentally sent back to the Chengxi Dynasty in Great Continent due to an explosion in her mission, and trapped in the first daughter of Prime Minister. After her rebirth, she is set up by her father to marry the 5th prince Jun Yeyan who wears a mask all day long.
In the face of bloodthirsty enemies, discord between brothers, collusion among courtiers and invasion of enemy state, can Bai and Jun resolve the crises? What will happen to their political marriage? How will the fierce battle for the throne end?
With many twists and turns, the book brings you to experience palace revolution, love and hatred thousands of years ago.

- Description from Novelupdates

Yun Bixue is in dire straits—

My name is Zhang Yanhang, just an ordinary Awakener and a part-time college student living a monotonous life, following the routine of school, cultivation, and home. I neither smoke nor drink; my only hobby is observing humanity during moments when time stands still.I thought my dull life would continue forever, but one night, as I lay in bed ready to sleep, I unexpectedly stumbled upon something interesting.【Enter the Ashen World?】【Option One: Yes (Successfully enter the Ashen World and gain the ability to digitize your body as well as ways to become stronger, the price might be oversleeping and being late for school tomorrow.)】【Option Two: No (Refuse to enter the Ashen World but feel it's a waste to sleep immediately, so decide to stay up all night gaming and cultivating, the price might be oversleeping and being late for school tomorrow.)】【Option Three: Ignore for Now (Suggested for those with difficulty making decisions, you will agonize over whether to enter the Ashen World and will only fall asleep at two in the morning, the price might be oversleeping and being late for school tomorrow.)】ps: The protagonist is not saintly, is decisive and ruthless, and thinks differently from the average person. Please refrain from criticism if this is not to your taste.

Calamity descends upon a a tranquil world in the black of night, transforming it into a death game! This a a true apocalypse, but this is not the end of humanity!

- Description from Novelupdates