Mage Manual - Chapter 14 - Miracle Chip

An ultimate warrior, the one and only Alchemy Emperor, Ling Han, died in his quest to achieve godhood. Ten thousands years later, he, with the ‘Invincible Heaven Scroll’, was reborn in the body of a young man with the same name. From then on, winds and clouds moved as he set himself against the uncountable geniuses of this new era. His path of becoming a legend has begun once more. Of all eras underneath the heavens, I am the strongest!

- Description from Novelupdates

Alvin had planned his future: after leaving the city of Serinthia and obtaining his graduation certificate in technology, he would return to his hometown, stay close to the only girl in his life, and kill a few people from time to time for fun and entertainment.But fate had other plans. On an ordinary day in the Royce Empire—one of the three great empires that ruled this world—the sky split open and a barrage of meteors descended. From that moment, the world changed, and the lands of the empire turned into a battlefield, as monsters appeared and people became hunters.Now, Alvin found himself forced to abandon his former dreams and return to his city before the companion of his life dies.

Witnessing her boyfriend cheating on her with her bestie, Shiyao was so angry that she went to a pub for fun and met a man, who was really a piece of work. After a crazy night she fled away, but was embarrassed to know that the man she slept with was her boss You Ze.
Jesus, give her a break!

- Description from Novelupdates

She had never expected that she would slept with her deadly enemy,but it turned out to be a good match for both of them.

while after marriage ,his indifference finally angered her.

You damn bastard!