MTL - Lisko’s American Life - Chapter 2139 give pointers

Five years ago, she left behind an egg and said, “This is the son I bore for you. When he comes of age, that will be the time of my return.” He thought she was joking, but months later, the son hatched out of the egg, looking like a normal baby but with two shiny, adorably cute little dragon horns on his head. However, she remained far away with no signs of returning.Later, she disappeared for five years, and he went mad for five years, until Little Dragon brought home a woman, and he instantly came to his senses... But Little Dragon said, “Daddy, even though you don't have a wife, you're about to get a daughter-in-law soon. She saved me, and I want to dedicate myself to her in return!”From then on, the father and son found themselves in an open and covert struggle for her affection.“Your Excellency, Miss Si's medical skills have amazed the entire globe, and all the bigshots are busting their heads to court her. Your heroic rescuing act is of no use...”Mo Yinhe suddenly collapsed to the ground, coughing violently, “Quick, go call her to save me!”“Your Excellency, the seven arch-rivals whom you beat until their livers exploded are all Miss Si's biological brothers. They want to take Miss Si back to inherit the throne...”Mo Yinhe immediately announced his abdication, pulling his son to roam the streets: “Sonny, from now on, Dad can only follow you to seek refuge with your wife-to-be.”Little Dragon shook the shiny, adorably cute little dragon horns on his head, “Daddy, I've already arranged a retirement home for you, guaranteed to secure your peaceful old age~”

After dying in laboratory tests, Klaus transmigrated to a Sorcerer World, in a strange and peculiar character whose existence is an enigma. He knew this world, for it was the world of the novel one of his students wrote. He also knew the character because he created it. But it was a discarded character; it never appeared in the novel. How could he have transmigrated in it? Reality hit him soon after when he was sent to cross through the first test that every sorcerer must pass to awaken his abilities. There, he will have to fight against powerful monsters, which they call Curses, and against other Sorcerers, all to try to enter the select group of Sorcerers to discover the secrets that await in this world and understand his arrival to this and his existence. Just when he thought his journey might be boring, he received a peculiar and mighty power bordering divinity, capable of making him reach unimaginable heights. Although a bit dangerous...

She was the most arrogant assassin in the world in the twenty-first century, yet in the end, she was unintentionally killed by her senior brother, resulting in her traveling to Bingzhou continent. The first step after she opened her eyes was to crawl out of the fecal drain and throw the woman who schemed her into the fecal drain. However, at this critical moment, she met a cold and arrogant beautiful man. Looking at his disdainful expression … She would always remember the words of this proud and aloof man. “Once my beloved wife has my child, I will seize Ming You Nation’s land for you and our son!”

- Description from Novelupdates

Qin Chuan arrived in a parallel world and got bound to a system.