Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Book 2 - 2-2. Let's Learn Life Magic!

End-time divine doctor An Ning never expected that at the moment of her death, she would enter a cliché ancient romance novel. Even less did she expect that after entering it, she would be assassinated every day by the crazy male lead!...Prince: Is the princess dead?Servant: Reporting to the prince, after the princess fell into the water, she unexpectedly saved the little prince, and now the emperor is about to reward her!Prince: ......Prince: Is the princess dead?Servant: Reporting to the prince, at the palace banquet, the princess blocked a sword for the empress, and the empress bestowed upon her a death-free gold token.Prince: ......Prince: Is the princess dead?Servant: Reporting to the prince, the princess jumped off the city wall in place of Miss Bai, leaving no whole body, and her bones were burned and scattered.On that day,Xiao Jingxing saved his white moonlight but slaughtered a city for An Ning!...Many years later, a peerless divine doctor appeared in the martial world, exceptionally beautiful and astonishing the world!...The male lead initially has a white moonlight, and genuinely attempts to kill the female lead. The female lead has a special constitution that allows wounds to self-heal, so she cannot be killed. After the female lead leaves the male lead, she lets herself free, leading to the male lead's courtship inferno!The novel focuses on satisfying plot twists, but does not rule out emotional pain, readers with a fragile heart, beware.The ending is happy, with a promise of no unfinished plots.

Xia Zhijun got the title ‘study god’ after scoring first place in the whole city. He’s the model of a good student in a teacher’s eyes: good grades, good manners, and quiet. When he wasn’t smiling, his entire body emits a cold abstinence aura. The girls only have the guts to look from afar and not get close.
Later, it was rumored throughout the entire school that even the study god would fight and hit on girls. Whoever dared to provoke his girl, he would teach you how to be a person at every minute. The night of the graduation ceremony someone saw him blocking Gu Siyi in the corner. He didn’t stop kissing even when she cried. He bit her lips and said in a raspy voice, “I’m going crazy…”
During college finals, Gu Siyi almost bursted out crying, “I’m such a failure. I won’t be able to find a good job in the future…And if I can’t find a good job, I can’t provide for myself…”
Xia Zhijun played with her pink earlobe and remarked, “I’ll take care of you.”
After they graduated, Xia Zhijun created a research company and Gu Siyi became the boss’s wife.
The commercial rocket, “Star of Siyi” was successfully launched. So everyone knew that the new technology superstar, Xia Zhijun has a wife who he spoils a lot.

- Description from Novelupdates

After all the things that he had done in his life, Alex realized that it was already his time to die.

As the daughter chosen by the Heavens, she was already extraordinary from birth. However, with her talents concealed, she was treated like tr*sh and mercilessly betrayed. So, she decided to let her supreme capabilities shine!

From then on, her bloodline had been awoken. Everything was possible—refining antidotes and weapons through alchemy, taming the dragons and phoenixes, and even being the ultimate ruler of the world. Since then, millions of people admired her and she lived up to her name as the strongest concubine in the world!

Only that cold, evil and immensely domineering Ice Emperor, whom she had accidentally provoked, loved, protected and helped her everywhere…

“Oh dear, after he has treated me like that, how can I ever like someone else? This man is really cunning!”