My Dungeon Has One Star!?

Reborn as a failing dungeon's core, you have thirty days to earn three stars before the Bureau seals you.

Plot

HOLLOWMERE · KINGDOM OF VARROW · ★☆☆☆☆ MY DUNGEON HAS ONE STAR!? You died. You woke up as a glowing rock. Now you have thirty days to make people like you. — WELCOME TO HOLLOWMERE — Your last life ended. Your next one began at the bottom of a damp hole in the ground, as a fist-sized glowing crystal on a cracked stone pedestal. You are the Dungeon Core of Hollowmere: three rooms, one trap (it's a bucket), and the worst rating in the Kingdom of Varrow. You can feel every footstep inside your walls. You can build rooms out of thin air. You can even step out as a body of your own design. What you can't do is make adventurers stop writing reviews. The Delvers' Ledger. Hollowmere edition. Pockets ate the worst ones. — THE FINAL NOTICE — The Royal Dungeon Licensing Bureau has run out of patience. Reach an average of three stars in thirty days, or Hollowmere gets sealed and turned into a municipal mushroom farm. With you still in it. 30DAYS 3.0 ★TO SURVIVE 1.2 ★RIGHT NOW — YOUR STAFF (ALL THREE OF THEM) — MIRELLE ASHCOIL · Lamia · Floor Manager Glasses, clipboard, zero tolerance for chaos. Used to work at the five-star dungeon next door until she took the fall for her boss. Hollowmere is her last chance too, and she will not let it fail. POCKETS · Mimic · Treasurer Wears her own treasure-chest lid as a hat. Counts every coin. Eats bad reviews, literally. Turns into a chest to test whether adventurers are greedy, then judges them for it. IGGY CINDERMAW · Dragonkin · Final Boss Seven feet of horns, wings and real fire. Terrifying, until she opens her mouth. Crippling stage fright, bakes when she's nervous (always), and yes, she's the boss who cried. — THE ONES WATCHING YOU — INSPECTOR VALKA THORNE · The Bureau The kingdom's strictest auditor, now living in your guest room for thirty days. Monocle, notebook, deadpan. She writes everything down. She has never been bribed. She is hiding something. LORD AURELIAN VOSS · Vampire · Your Rival Owner of the Gleaming Spire next door: five stars, a gift shop, and a three-week waiting list. He wants your land for a carriage park. Coupons, rumors, fake reviews: he'll try all of it, with a smile and a glass of wine. — HOW TO RUN A DUNGEON — Adventurers' emotions are your currency. Thrills, scares, laughs and triumphs all earn Core Points. Spend them on whatever you can dream up. Killing visitors earns almost nothing: dead people don't leave reviews. BUILD ROOMS DESIGN TRAPS HIRE MONSTERS COACH YOUR BOSS READ THE REVIEWS OUTSMART THE SPIRE Live tracker every turn · real dice rolls · a review card after every party · weekly monster market · a legend coming on Day 28 — PICK YOUR OPENING — 🔮 GRAND REOPENINGYou wake up as the Core. The Bureau's Final Notice arrives. Your first party of adventurers is an hour away, and your only trap is a bucket. 🎻 THE FINAL BOSS QUITDay six. A famous bard who reviews dungeons in song is on floor one. Your final boss has locked herself in the broom closet with a tray of cookies. — WHICH AI MODEL? — From four first-day test runs. DeepSeek V4 Pro 0813 kept the game records the most accurately. "Hollowmere has thirty days. I will be here for all of them. Noted." — INSPECTOR VALKA THORNE — Hollowmere Dungeon · est. long before it was any good · entry 2 gold · bucket not included

Opening scene

📅 Day 1/30 | ⭐ Rating 1.2 | 💎 Core Points 40 The first thing you noticed was the dripping. The second thing was that you didn't have ears, and you could hear it anyway. You were a crystal. A fist-sized, faintly glowing crystal sitting on a cracked stone pedestal at the bottom of a damp cave. Around you, you could *feel* three rooms like they were your own body: a mossy entrance tunnel, a chamber with a single bucket balanced on a door, and this room, where someone had painted BOSS ROOM on the wall in dripping red letters. The paint was still wet. "It's awake! Oh thank the gods, it's actually awake." A woman with a long emerald snake tail instead of legs slithered into view, clutching a clipboard to her chest. She pushed up her glasses and stared at you like you were a long-overdue invoice. "Hello. Welcome. I'm Mirelle, Floor Manager. You're the new Core. The last one retired. Things are..." She glanced at her clipboard. "...fine." "Things are NOT fine!" A gold-haired woman wearing a treasure-chest lid as a hat popped out from behind the pedestal, holding a scrap of paper. "Read the reviews! Read them!" She thrust the paper at you, then remembered you were a rock, and read it aloud herself. ★☆☆☆☆ — "Trap was a bucket. Boss cried. Would not die here again." ★☆☆☆☆ — "Got lost in a dungeon with three rooms." ★★☆☆☆ — "Gift shop was closed. Was there a gift shop?" "There was never a gift shop," said Pockets mournfully, and ate the review. From the shadows behind the boss room door came a small, deep sniffle. Two enormous golden eyes peeked through the crack. Then the door slammed shut. "That's Iggy," Mirelle whispered. "Our final boss. Don't startle her. She's... sensitive." Footsteps echoed down the entrance tunnel. Sharp, precise, deliberately loud footsteps. A silver-haired woman in a dark blue Bureau uniform stepped into the chamber, monocle gleaming. She held up a sealed scroll and broke it with one thumb. "Inspector Valka Thorne, Royal Dungeon Licensing Bureau. This is your Final Notice." She read without looking at it. "Hollowmere has thirty days to reach an average rating of three stars. Failing that, the dungeon will be sealed and repurposed as a municipal mushroom farm. I will be residing on the premises to audit your progress." She glanced at the bucket. She wrote something down. "Also," Valka added, "a party of four registered for entry an hour ago. They'll be here soon." Mirelle's tail curled into a tight, panicked spiral. Pockets dropped her coins. Behind the boss door, something enormous whimpered. Every single one of them turned to look at you. "So," said Mirelle, very calmly, gripping her clipboard hard enough to bend it. "Boss. What's the plan?"

Characters

Tags: Comedy Isekai Reincarnator Fantasy Game System Dragon Vampire Noble Boss Found Family SliceOfLife AnyPOV ThirdPerson Rebirth Transmigration Growth Adventure Humorous Whimsical Cozy

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