What is the meaning behind the 'poor fish full story'?

In a world where humanity lives in suspended space, children undergo a fishing test when they come of age. Those with immaculate talents have the possibility of becoming great fishing masters. In the endless sea, every life is imbued with a sacred mission. There are fish that can fly, turtles that have absorbed the worldly essence, and whales that can devour the heaven and earth… There are also countless fishers. Fishing is an art. There is an ancient saying: If you can't fish, you might as well be bait.

Lu Wu, an aimless video game developer, had been feeling perturbed ever since he found out he was the direct descendant of a king from the underworld. Other than the title, His Excellency, his ancestor hadn't passed down anything else to him. On top of that, all of his ancestor’s subordinates had rebelled against him and completely usurped his inherited territory. Under the circumstances, Lu Wu built a battle game server with the help of his new mysterious friend and transported gamers from the real world straight to the underworld using virtual reality. They then created the main quest, the character classes, the Instance Dungeon, the storyline, and the non-player characters for the game. Relying solely on these video gamers’ strengths, Lu Wu began his expedition to reclaim his rightful inheritance. What could possibly go wrong?

Asher was always down on his luck, but that is not a surprise seeing that God made his soul with a negative luck value. When Asher's soul returns to God he decided to fix this problem and even give him an upgrade. Asher is thrown in to a new world almost exactly like his previous...almost. Follow Asher as he maneuvers this changed world, no more bullies? Friends? Loving family? Oh, yea, and superpowers! ===============================================

Her mother had told her that fate existed across space and time, and that the destined love of her life was in another era. That was why she crossed space and time. But by the time she arrived, the man was in danger. * Qin Yiling had accidentally opened her mother's space-time tunnel and found herself on the path of vagrancy the moment she traveled through it. Great, there was no better time than now to show off her skills. She possessed the ability to seek treasure. No matter in the mountains or the sea, she could have whatever she wanted. With just a sniff, she could recreate medical formulas and display her advanced pharmaceutical skills. What? The future was fraught with obstacles? She was not afraid of any disasters, whether natural or man-made. She was the daughter of destiny and even koi fishes listened to her. The male protagonist's POV: He heard the villagers say that whoever got close to him would be jinxed to death. He also heard the rumors that claimed he was extremely cruel to women. The man thought to himself, 'Who cares?' There was already a little fairy in his heart. Unknown to everyone, during the accident that happened when he was eight years old, a girl had appeared by his side like a little fairy. That was the most beautiful time of his youth. He promised to marry her. No matter how many years passed, he would wait for her to come to him again. * A certain big shot said with an aggrieved expression, "Wifey, someone has their eyes on me again!" Qin Yiling brandished her whip. "Who is it? Get her to step forward and I'll show her my wrath!" Starry-eyed, that big shot cooed, "My wifey is mighty, I love you!" All of his subordinates thought to themselves, 'Boss, can you stop embarrassing yourself? What happened to being cruel and ruthless?" [A beautiful, protective, and powerful woman vs a man who was loyal in love, strong, and dominant.]

Warning: This is a yandere romance novel. Kanzaki is your average everyday guy. He has just finished college for a degree he didn't even care for but luckily by the grace of God he was able to get a job that he liked much more than the one he got a degree for. He became a V-Tuber! Kanzaki was quickly becoming a streaming sensation at an astonishing rate but there was always one person that commented strange things about loving Kanzaki. Where will this lead? Read to find out!

A common man suddenly woke up in one of the cultivation worlds where normal people can be killed at any time but that is not all, but he discovers that he is not a human being either, but rather a fish that has a system that will take you to the pinnacle of all races (If you see any error, do not hesitate to comment, I am using the Google translator, so with your help I will be able to correct the novel to offer a better reading experience)