After Summoning the Fourth Calamity, I Became Invincible

[Updating irregularly] [Check out the upcoming story: Every Day After Work, I Find the Demon King Wrecking the House] [Synopsis] Qiu Jiu transmigrates to the impoverished Demon Realm and becomes the demons' king. He gets a System and a golden finger from the start: he can summon players from other worlds. But some of the players he summons are strange, to say the least. A Demon Lord from a cultivation novel: This game looks interesting. Let me see what good stuff I can fish up. Then he fishes up a nuclear warhead. A hero disguised as a monster: With the Light God as my witness, the hero isn't obsessed with dress-up games. I'm just relaxing. Then the hero smashes an angel's skull and steals its feathers. A star soldier in a spaceship: I never knew the food culture of the past was so diverse... Don't stop me, I'm going to scarf down ten servings of jianbing! In short, to keep their vacation paradise, the big shots enthusiastically help develop the Demon Realm, and Qiu Jiu's game reaches its peak... But as they keep building, why has a dragon taken over his room?! * Later, someone asks the dragon why he wants to be with the Demon King. The dragon blinks and answers earnestly, "His soul is made of gold!" * An unconventional fourth-calamity world-building story. * A Demon King bottom who only wants to focus on his career / a loyal, older hero top. (Blurb written on January 12, 2023) Theme: Celebrating the small joys in everyday life