The Black Beast’s Useless Concubine - Chapter 662 - : Ye ‘er, they call me young master (1)

Four years after the Third Nightmare, something unexpected happens. A group of people find themselves in a strange theatre, which tells them to react to someone's story...?

He was able to repeatedly reincarnate due to the effect of the Nine Lives Reincarnation Spell, which allowed him to have nine lives. After defeating the Hell-Blood Demon who drove the entire murim to chaos, the patriarchs of the Seven Great Clans betrayed him and killed him. Following that, he was reincarnated for the ninth time as Baek Mu-Gun. Now, his last journey across murim begins.

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Thousands of years ago, humankind left the Old World. We enter a new age where science and magic are no longer opposing concepts.

With these new opportunities came danger in the form of the Dark Races and the ones that named themselves Gods.

However, if there was one thing humans were good at was their ability to destroy. Humankind fought and carved a bloody path into the new world.

Cain’s luck had never been good, but his destiny changed forever once he decided to harden his heart and face the world without fear or hesitation.

So, I died. Face-planted on my keyboard after a 72-hour coding marathon. Very heroic. My one dying wish? To finally get some sleep.But the twist is : I got isekai'd. But I wasn't reborn as a legendary hero with a harem and a cheat skill. Nope. I'm a rock. A Dungeon Core, to be exact.My new job description is simple: create a terrifying labyrinth, murder heroes, and generally be a menace to society.Yeah, hard pass. That sounds like way too much paperwork. My new life goal is achieving a perfect 100-year nap.Luckily, I found a bug in the System—or maybe it's a feature? My unique “Slumber System” gives me way more XP (they call it Dungeon Points here) when adventurers take a nap than when I, you know, kill them. My assigned fairy guide, FaeLina, is having a non-stop panic attack about this. Apparently, “aggressive coziness” isn't covered in the Dungeon for Dummies handbook.So, I leaned into it. I started building the world's first 5-star dungeon resort, complete with fluffy moss beds that feel like clouds, a tea shop run by a friendly slime waiter, and pillows that hug you back. The place went viral. Knights come for the naps, mages for the therapeutic tea, and bards for the sweet, sweet content.The problem? My five-star reviews are tanking the property values of the 'Blood Pit' dungeon next door. I'm being forced into official Dungeon Tournaments where my ultimate weapon is a lavender-scented fog machine. And the stuffy bigwigs on the Fairy Council are starting to think my little “peaceful revolution” is a threat to their entire “kill-stuff-for-profit” business model.But the more I build, the more I realize this isn't just me being lazy. I'm uncovering an ancient, world-changing secret about why dungeons really exist, and it's a truth the gods themselves tried to bury.My name is Mochi, and my quest is to level up from a sleepy rock to the God of Dreams. My final boss isn't some dragon or demon lord. It's the original God of Combat himself.And I'm going to challenge him to a Nap Off for the fate of all reality.Who knew the path to ultimate power was this comfy?