Extra's Supremacy: Rise of the Forgotten Background Character - Chapter 70: Willbound.

A wedding forged in vengeance, where love is the only risk they never planned for.“Let's get married,” Mia says, her voice trembling despite the fire in her eyes as she meets Stefan's guarded gaze. She needs this—needs him—even if he looks at her like she's just another complication.Stefan arches a brow, unimpressed. “And why would I do that?”“We both know what it's like to be betrayed by the men who raised us,” she replies, refusing to back down. “They stole our birthrights and handed them to someone else. The only difference is… you're the illegitimate one. I'm not.”He studies her—this heiress in designer armor, hiding rage beneath polish. “So your grand plan is a wedding band as revenge?”“No,” she says, stepping closer, close enough for him to smell the jasmine and gunpowder. “It's the only weapon they won't see coming.”Their fathers built empires by manipulation and control. Now, their children are making a vow—to burn it all down.Two shattered heirs. One dangerous alliance. A marriage built on vengeance.Mia Meyers was born to inherit her father's empire—until he handed it to his bastard son instead. Stefan Sterling knows rejection too well, discarded by a father who only valued power. Now, these rivals-turned-co-conspirators hatch a plan: marry for revenge, crush their fathers' legacies, and take what should've always been theirs.No love. No feelings. No divorce.But as lines blur between strategy and obsession, the real question becomes: can two enemies survive a marriage built not on trust—but on spite?

Kazura was selected as the winner on a lottery that he bought on a whim and received ¥4,000,000,000 (4 billion yen).

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

“A black dragon rises from the depths of the South Sea, triggering a cataclysmic tsunami... Flame spirits destroy city after city of steel and concrete, calmly departing from the center of a nuclear explosion... Extraterrestrial deities attempt to dominate the entire starry sea... This is a future world where human technology is highly advanced, and it marks the beginning of a martial arts era that sparks a frenzy of life evolution.Li Yuan, a martial arts student preparing for the college entrance exam, carries the vision of an extraordinary celestial palace where he can observe the starry sea, embarking on a challenging journey in this world.Many years later.“My current flight speed is 122,682 meters per second... My explosive power is... ” Li Yuan zooms through the atmosphere about 180 kilometers above the surface of the Blue Star, his cold eyes fixed on the colossal creature resembling a mythical dragon at the edge of the dim void: “You should be the strongest among all invading demigod life forms.”“Unfortunately, at this moment, I can only be called... a Martial God!”