Summoned and Unwanted - Chapter 667

Transform into Divine Dragon and dominate the world!
He is the only Divine Dragon in the sea who founded an underwater Dragon Palace.
With Crawfish Soldiers and Crab Generals as his followers, wild sharks and gigantic octopuses as his subordinates, he is the dragon that rules the city.

- Description from Novelupdates

They stole his future and crippled his body. Now, he’ll rewrite the history in blood.Damon was on the verge of greatness—first in line to claim Bloodreign, the legendary artifact said to grant unmatched power in Earth Online, the world’s first fully immersive VR game. But his best friend betrayed him, stealing the item, and leaving Damon broken, crippled and nearly deleted. Kicked from the guild, mocked by the community, and trapped in a weak, crippled body, he was forgotten until his last desperate attempt somehow brought him back in time to the day when it all began.Now Damon was back and he knew what he was going after.A hidden lineage. A cursed class. A bloodline sealed since the dawn of the multiverse.Last time he played fair. Last time he trusted. This time he would hunt and devour. With years of knowledge of every exploit, every secret quest, every bugged mechanic, he will climb straight to the top. Armed with the blood of the first Vampire King, he was an apex predator now who stood at the very top.However, unbeknownst to him, a catastrophe lurks in the shadows. Damon finds out that the game itself might not be as simple as it seemed and the entire future of the humanity might depend on this game.

Li Daoyuan accidentally traveled through the world of novels and became the father of the second-generation rich second-generation villain in the early stage of the novel. At this time, his useless son has already provoked the protagonist of the novel’s destiny, and will soon bring the entire family into the ditch. Li Daoyuan wants to change his destiny from the root…

- Description from novelbuddy

“Jiang Yu transmigrates into a novel and becomes a side character in the book.