Princess Fischl - Chapter 38 - 37. Sister’s privileges.

Zhou Yu was ordered to enter the city and get married. Even though my wife didn't like me, my father-in-law disapproved of me, my colleagues always wanted to bully me, and the bad guys were always looking to take me down, but touch me, that's fine, touch my wife, that's not. Whoever lays a hand on her, I'll take down. I fought until the whole world bowed down, then returned to the village with my wife in glory!

The whole world is subjected to a highly dangerous standardised exam called the Global University Entrance Examination. Answering questions by putting their lives at stake, they would live if they passed the test. Every month the exam will undergo reformation while, occasionally, it is random.

- Description from Novelupdates

Zhou Yu, a reclusive otaku who did not like to go out of his house, was one day forced out of his house by a series of unexpected events.

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Gu Muran, the former master of metaphysics, woke up and found that he had become the fake daughter of the Gu family.

The Gu family couldn’t bear the thought of their own daughter marrying into the Qian family, so they thought of the adopted daughter they had abandoned before.

The daughter of the Gu family had a physical problem. The Gu family believed that it was because of her adopted daughter’s fate that her daughter was hurt.

The parents put their ideas on her again: “Since you and your sister’s kidneys are well matched, then give her one of yours, and she won’t die anyway.”

Gu Muran: Auntie’s things are not something anyone can touch easily.

In her previous life, her power of metaphysics was unrivaled in the world. She was once appointed as a national teacher to protect the common people of a country, and she was heard by the heavens. Even the emperor had to respect her when seeing her.

How could she allow these messy people to jump around in front of her.

…

He is a revered god of medicine, with superb medical skills, it is difficult for a thousand dollars to make an appointment to seek medical consultation.

No one knows the depth of her talent for magical calculations. She knows the destiny with one glance, and predicts fortune and evil with one word.

later……

People: “Have you heard that there is a magician in Tianqiao?”

Classmate: “Who said that, our school is really good at it.”

Rich circle: “You are talking nonsense, the real magician is here.”

God of Medicine: “Hold on to dissatisfaction, Mrs. Lu is the most powerful.”

A certain woman smiled faintly: “Low-key, low-key, don’t fight, don’t grab, it’s all me.”

- Description from novelbuddy