SSS Ranked Awakening: I Can Rewind Time! - Chapter 7: The Spell.

The strongest wizard Alfred, in a hero’s party, subdued the Maou and in the process took a cursed arrow to the knee.

Even with the hurt knee, Alfred’s still the strongest wizard ever. So…

「We need a chief for our newly created knight squad!」 「Could you help us as our guild manager?」「We need someone to rid us of the dragon that resides in the North Mountain!!」

Alfred just wanted some time to rest and recover, but no one would LEAVE HIM ALONE!

Because of that, Alfred wished to spend time recovering in a small country village that no one knew about.

『Need a guard in Mulg Village. Wolves and boars attacking the village. Payment is food and board. *Village has a hot spring.』

「THAT’S THE ONE!」

So, the strongest wizard in the kingdom…decided on living the slow life in the country.

One day, Zhang Fan, a poor medical student, receives a medical system from the future. This turns him into a new shining star in the medical field. Along the way, he must face medical corruption, competition, and infighting from other doctors, and even find time for a love life as he strives for the top of the medical field!

- Description from Novelupdates

Sangyan turned into a widow known to bring misfortune to her husband. Despised by her in-laws and disdained by her own family, she volunteered to retire to a remote estate to live out her days. At this moment, she caught the eye of a tyrannical emperor with a strange illness - being near a woman caused him unbearable itching and relentless vomiting.Hence, the 26-year-old emperor had never favored any of his consorts, let alone sired any heirs. The imperial harem constantly pressured him for offspring. The common people also yearned for a royal heir. When they learned that the tyrant held affection for Sangyan, the widow with the ill-fated destiny, the entire nation opposed their union.Eventually, the entire country pleaded with Sangyan to bear children for the sickly and tyrannical emperor...Beauty widow with a deadly fate VS Emperor with allergy to women

What happens when you transmigrate to Beast World? With the system in hand, the world is for your taking! One day, Su Tang, an intern at the hospital, is struck by a system and transmigrates to Beast World. It’s a wondrous world with winged tigers, fire-spitting birds, and enticing man-eating flowers… Everything in this world leaves Su Tang awestruck!

After the Chief of Winged Tiger Tribe saves Su Tang, she learns how backward this place was. Su Tang is determined to help change the world! Under the system’s guidance, she helps to extract salt, build homes, dig traps, make weapons and store food for winter… And perhaps even save the world while she’s at it!