Book 1

Masuda Keima just wants to sleep. Too bad for him, he’s been pulled from comfy sheets into a fantasy dungeon that he’s charged to protect. Failing to do so will cost him his life. His only guide on what to do is the personification of the Dungeon Core, Rokuko. But she’s a moron who can’t even figure out how to get rid of a group of bandits. If Keima ever wants to get some sweet dreams again, he’ll have to do all the planning himself!

Book 2

Masuda Keima just wants to sleep. Too bad for him, he's been pulled from sweet dreams and comfy sheets into a fantasy dungeon in another world! Not only is he charged with protecting it, but failure to do so will cost him his life. His only guide is the personification of the Dungeon Core, Rokuko--but she's a moron who can't even figure out how to drive away a group of bandits. If Keima ever wants to get some quality shut-eye again, he'll have to take over running this dungeon himself!

Book 3

OPEN FOR BUSINESS

After claiming victory against Haku in the dungeon battle, Keima invests his winnings in some home improvements. His plan? Build an inn! Naturally, an inn requires capable staff. But before he can make his selection, an especially eager candidate pushes their way to the front! She claims she’s a safe bet, but will she be able to put her money where her mouth is? Or has Keima got another headache on his hands? And when will his dream of becoming a dungeon master who never has to work come true?!

Book 4

Though once the guild catches wind of this new establishment, Keima’s humble abode earns itself a new name, the Cave of Greed. Later, when Haku herself stops by for a visit, she offers up some chilling information – there’s another dungeon on the mountain, the Flame Cave! Can Keima avoid clashing with his neighbours or will he and his dungeon go up in smoke?!

Series Overview: Masuda Keima just wants to sleep. Too bad for him, he's been pulled from sweet dreams and comfy sheets into a fantasy dungeon in another world! Not only is he charged with protecting it, but failure to do so will cost him his life. His only guide is the personification of the Dungeon Core, Rokuko--but she's a moron who can't even figure out how to drive away a group of bandits. If Keima ever wants to get some quality shut-eye again, he'll have to take over running this dungeon himself!

Book 5

HELP WANTED

Following Keima’s victory against the Flame Cave, he gains access to a useful new tunnel and his dungeon becomes more popular than ever. Unfortunately, more guests mean more work, and when Meat collapses while serving customers, Keima is forced to face a long-ignored problem — he needs more staff! But with his and Rokuko’s identities a secret, Keima’s best option is using his precious DP to summon a humanoid monster! Has he solved his dilemma or just made things worse?!

Book 6

Masuda Keima just wants to sleep. Too bad for him, he’s been pulled from comfy sheets into a fantasy dungeon that he’s charged to protect. Failing to do so will cost him his life. His only guide on what to do is the personification of the Dungeon Core, Rokuko. But she’s a moron who can’t even figure out how to get rid of a group of bandits. If Keima ever wants to get some sweet dreams again, he’ll have to do all the planning himself!

Book 7

HOW TO BEAT A DRAGON

Having soundly defeated the hero Wataru (albeit through a less-than-scrupulous method), Keima has saved Rokuko from being whisked away to the Imperial Capital. It isn’t too long though until another hero shows up on his doorstep...one that proves to be even more trouble than the last! But even Keima isn’t so lazy that he’ll ignore someone harassing his staff. It's time to take care of this nuisance once and for all--but how?

Book 8

With Dragon Suzuki now a permanent fixture in Keima’s dungeon (literally), things seem to finally be taking a turn for the peaceful. That is, until Keima is made mayor of the newly established town surrounding the inn! His first order of business – defeat the wolf-like creature invading his territory. Yet no matter how many golems he throws at it, the beast just keeps on coming! Is this the end for Keima and the Cave of Desire?!

Book 9

A HOLY TERROR

After successfully negotiating with the wolf monster Rin and preventing him from destroying the Cave of Desire, Keima catches word that yet another unwelcome guest has arrived in town. This time it’s not a Hero nor a monster, but a high priestess from the Holy Kingdom’s Church of Light! She tells Keima that she’s willing to destroy Rin for him...but only on the condition that she be allowed to destroy Rokuko as well! How will he fend off this new threat?!

Book 10

The High Priestess Alca has begun her attack on the Cave of Desire, leaving Keima with precious few resources for defending the dungeon. Even his secret weapon, the wolf monster Rin, isn’t enough to stop her! Yet in the midst of this crisis, a more personal battle is taking place between Rokuko and Alca as they duke it out over who really owns Keima’s heart. It’s a fight for survival in more ways than one, but is it a fight Keima and Rokuko can win?!

Book 11

In this fantasy isekai tale, one slacker gets a rude awakening when he becomes the guardian of a dungeon!

Masuda Keima just wants to sleep. Too bad for him, he’s been pulled from comfy sheets into a fantasy dungeon that he’s charged to protect. Failing to do so will cost him his life. His only guide on what to do is the personification of the Dungeon Core, Rokuko. But she’s a moron who can’t even figure out how to get rid of a group of bandits. If Keima ever wants to get some sweet dreams again, he’ll have to do all the planning himself!