MTL - I’m Fighting Back In the Ninja World with Spells - Chapter 312 discuss

The mysterious master returned to the village, skilled in medicine and Martial Arts, using extraordinary methods to lead the villagers on a path to wealth.

The nuclear holocaust which caused the collapse of the Old Times on Earth should have wiped out all human life on the planet. Yes, the gods set up their beautiful Elysiums to provide sanctuaries for their chosen, but by all rights everyone outside the elysian lands should’ve perished long ago. Yet somehow, human life still managed to persist, even in the deadly, mutant-infested wastelands.

Cloudhawk was a young scavenger who dreamed of being as free as the hawks in the skies, yet seemed destined to live out his life scrounging for scraps in the wasteland ruins. Fate, however, is ever-fickle. A chance meeting with a ragtag group of mercenaries changed the trajectory of his life, bringing him into a world with mutants and metahumans, demonhunters and godslayers, and even gods and demons. Cloudhawk would find his own place in a world that was far greater than he had imagined, find his own path between the zealous light of Sumeru and the whispering darkness of the Abyss… and one day, he would find that even gods may fall.

Lu Junxi reborn in a small fishing village in Japan in 1950 and obtained the “Fishery King” system, which can help him detect the location of fish, and every time he fishes, he returns with a full reward. Can help him build the most cattle fishery, aquaculture I am the most hanging!

At this time, the Japanese fishery and ocean fishing have not yet started, and the offshore aquaculture industry has not yet developed. Lu Junxi felt that he wanted to be the owner of the Hokkaido fishery!

“No, wait, there are only five men left in the whole fishing village, who will go fishing with me?” Lu Junxi was dumbfounded.

- Description from novelbuddy

The first time they met they had battled fiercely, just for a mere bunch of herbs. She needed it to save people, and he wanted to use it to save his own life.