I've Become the King of Villains in the Game - Chapter 38 Everyone Must Die

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

[ R18/Smut/Harem/Netori ]------[ DING ][ Ultimate Spin System Activated ]---It all started with a mysterious notification. Lucas Cross, an ordinary gamer struggling to make ends meet, suddenly found his life turned upside down. When the Ultimate Spin System chose him as its host, he was thrust into a chaotic world filled with random rewards, bizarre challenges, and unpredictable skills.From gaining passive abilities that attract unfaithful wives to spinning weekly wheels of fortune with life-altering consequences, Lucas must navigate a world where the line between game and reality blurs.

“What kind of guardian would you want to be? the one who destroys everything or the one who protects everything?”

Jason, one of the many casualties during a nuclear explosion gets the chance to reincarnate into another world due to his deeds during the war.

He gets tossed to another world due to ending up with the Shadow god as his patron, something deemed impossible.

With a system to guide him in the world of Clover and a family jinxed through the generations, his adventurous life in new world begin.