Zettai ni Hatarakitakunai Dungeon Master ga Damin wo Musaboru made

Alternative Titles

Synonyms: I absolutely don't want to work as a dungeon master until I indulge in my laziness, Dungeon master wants to sleep now and forever...

Japanese: 絶対に働きたくないダンジョンマスターが惰眠をむさぼるまで

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Information

Type: Light Novel

Volumes: 17

Chapters: 136

Status: Finished

Published: Apr 25, 2016 to Jun 25, 2022

Genres: Adventure, Comedy, Fantasy

Theme: Isekai

Serialization: None

Authors: Youta (Art), Onikage, Supana (Story)

Statistics

Score: 7.37¹ (scored by 959 users)

¹ indicates a weighted score.

Ranked: #4366²

² based on the top manga page. Please note that 'R18+' titles are excluded.

Popularity: #6653

Members: 3,549

Favorites: 34

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7.37

Ranked #4366Popularity #6653Members 3,549

Light NovelYouta (Art), Onikage, Supana (Story)

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Volumes: /17

Chapters: /136

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Synopsis

Keima Masuda's motto is to do nothing but laze around all day. This still rings true after he is summoned to a world of magic by Dungeon Core No. 695, nicknamed Rokuko, the dungeon master of a pathetic little room in a cave. Even worse, her home has been occupied by a group of bandits and Rokuko's few remaining dungeon points are only good enough for spawning a couple of goblins. Keima is only spurred into doing something when he is informed that he will die along with the little girl if her dungeon core is destroyed.

Although despairing at having wasted one thousand of her precious points on a frail human who sleeps all day, Rokuko soon appreciates that there is some level of ability in her new summon. Keima eliminates the immediate threats and slowly builds a thriving village centered on Rokuko's cave where unsuspecting human adventurers can farm monsters and level in peace, earning the dungeon a steady income of dungeon points. Through Keima's unconventional strategies, the duo develop their dungeon and their relationship, gradually rising through the ranks and gaining new allies and ultimately establishing themselves amongst the hundreds of other dungeon cores in the world.

[Written by MAL Rewrite]

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Background

Zettai ni Hatarakitakunai Dungeon Master ga Damin wo Musaboru made was published digitally in English as Lazy Dungeon Master by J-Novel Club from August 6, 2018, to December 28, 2022.

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Characters

Masuda, Keima

Main

Rokuko

Main

Niku

Supporting

Ichika

Supporting

Neruneh

Supporting

Rei

Supporting

Kinue

Supporting

Haku

Supporting

Reviews

Oct 26, 2025

SogenCookie

Recommended

Timey wimey wibbley wobbley isekai goodness with a unique take on magic, causation, the relationship of Gods with their worshipers, and of course, harem waifus who the MC is too indecisive to ever get with. “Because, after all, we need to keep it a family friendly novel” …… not sure they succeeded there, but they did in fact try! I would hope this novel is at least only recommended 13+. At least.

Dungeon building: 6/10. As far as “dungeon” stories go, this one is very very simple on the dungeon. It’s in the title. The MC is intentionally lazy and does not push the limits of ...

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Dec 13, 2017

nightcore34

Recommended

Preliminary (256/136 eps)

This novel is one I've enjoyed so I thought it deserved a review.

Story - 8/10. The overarching story revolves around the dungeon. The dungeon core known as No. 695 makes a last ditch effort and spins the Gacha (basically summon lotto) and summons the human Kehma to become the dungeon master and protect the dungeon core.

Eventually he drives away the enemies and works to attract adventurers in order to gain Dungeon Points (DP).

For the first arc, which is 13 chapters long, IT IS TERRIBLE. Yeah, gonna warn you now, its utter shite. I even dropped it around chapter 6 before but decided to ... press on at a later date and I'm glad I did.

While the first 13 chapters are boring because it takes a while for anything to happen since he simply maintains a status-quo of not being killed and sleeping the next arc and those onwards are much better and that is the majority of the score. Going to the nearest town, being an adventurer and having some pretty funny misunderstandings.

In short, power through the first arc and ye shall be rewarded.

Art - 8/10. As with all my reviews, the art doesn't count towards it but the art that is sometimes shown in chapters is pretty well drawn so I feel it a disservice not to mention it.

Character - 7/10. I'll mention the three main cast which can be seen from the first arc onwards.

Kehma - A young man called from Japan to serve as the dungeon master of the "simple cave" (later known as the "cave of desires"). All this guy cares about is sleeping. However, he does have good points. For the dungeon it was him who created the plans to use and then later on discard the bandits and it is also him who efficiently gathers DP and makes the dungeon strong.

Dungeon Core No. 695 (Called Rokuko by Kehma) - Rokuko is a Human-type dungeon core. There are two types of dungeon cores, a sentient type who can work together with the dungeon master to improve the dungeon and the dungeon core most people are familiar with which is an orb also known as the heart of the dungeon.

Rokuko is a blonde loli type girl. At first she tries to make herself the master but due to a problem Kehma was recognised as the master instead. Kehma often teases Rokuko saying she has a "goblin fetish" due to her always wanting to summon goblins to act as the attack force of the dungeon. Rokuko always listens to the advice of a senior dungeon core who is similarly a human-type.

Meat - (Yes this is her name, no I'm not joking.) Meat is a black haired dog-eared loli. She was bought as a slave by the bandits and due to various circumstances Kehma managed to save her. Her physical ability is strong and her loyalty to Kehma is the same.

She too becomes an adventurer alongside Kehma and they both quickly rise up the ranks. Kehma however, only really sees her as a hug pillow.

Enjoyment - 9/10. The novel is fun, the dungeon aspects are truly what I read it for, going to war with other dungeons or repelling invaders inside his own dungeon either way its fun to see how Kehma reacts to the situations.

Overall - 8/10. As long as you can press through the first arc the rest is infinitely better. I would recommend it to anyone looking for a novel which deals with dungeon masters however there are at times some politics to deal with so its not all dungeon battles all the time. Regardless, the battles they do have are interesting and fun.

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Jul 5, 2025

abystoma2

Mixed Feelings

If it wasn’t immediately obvious, this is an isekai. And a power fantasy. Those usually aren’t good signs, but this is surprisingly readable novel series. Not a masterpiece, but it has pretty steady entertainment content.

So let’s start with the good parts. Given that the protagonist is more of a manager/dungeon master, the encounters and action is told through strategical point of view. This makes things interesting as there usually aren’t asspulls – instead you can see the planning, usage of resources and real-time tactical decisions. What I really have to praise is that of the plot devices that are used for victory, not only ... are all introduced beforehand, but many are also later reused instead of being just one-off plot solvers.

That is a style of writing that is present throughout the whole plot, not just in battle tactics – same as the devices, many of the side characters serve the plot beyond the arc they are introduced in, unlike how it is in many other LNs as my pet peeve. While we’re at the characters, let’s backtrack to the protagonist figure. He is the archetype of “lazy but secretly clever and efficient” that we frequently see for self-insert MCs. But he is way less annoying than those characters tend to be. Firstly it’s because it’s true, he simply loves sleeping, its not just some cope for not being social or something. Secondly it is actually thematically relevant to the worldbuilding. The secondary characters are fairly nicely done too, with plenty having distinct memorable personalities, even if it’s based on some character quirk.

Going back to the story, I appreciate that there aren’t really fillers and the volumes do actually build onto themselves. Even things like the cliché beach episode are actually remade into plot-forwarding sequences. With some LNs you could skip whole volumes and even arcs and not miss anything important, but that’s not the case here. I know this sounds like something that should be obvious and the bare minimum, but yeah that’s just how bad the state of LN market is now that I need to point this out. I’ll also point out that I really enjoyed how battle sequences are written, it’s not boring, it has a flow, it’s not just describing events in monotone as is the trap many authors fall into. It’s also nice that for once the romance part of the plot actually progresses continually instead the classic “token pretty girl likes oblivious protagonist and they finally officially get together at end of the last volume with no step in between”. Also nice that it’s actually reasonable for the girl to be attracted to the protagonist in the plot instead of being paired together just for existing.

The worst part of the novel is undoubtedly the “stock” part of isekai fantasy. Mainly the slavery fetishization. Slavery especially at the beginning is a source of a lot of fanservice as it tends to be in works like this. Initially the world is described as cruel and violent, where it’s accepted that people just have little to no value and it’s perfectly acceptable and in your right to treat your slaves as a literal trash. The novel has one of the most disgusting descriptions of misstreatement of slaves, such that it wouldn’t be out of place in some dark fantasy work. That by itself isn’t wrong, but it’s a huge tonal whiplash compared to rest of the novel which is mostly easy-going and even humorous. It doesn’t even make sense for the slavery to exist in this world to such extent given that magic gives quite decent technological advances to the society and also given the huge cultural impact the “Heroes” (who are isekaied people from Japan) had on the society of this fantasy world throughout literal centuries. Surely some moral values like “guys maybe we shouldn’t be using slaves as literal meat shields or as a torture stress ball” would imprint at least a bit given the high status given to Heroes. It makes sense for the Demon Realm to treat lives like shit, but it just doesn’t fit in with tone of rest of the world and really feels like something that was thrown in from the start as a “staple” and only realizing later that it wasn’t the most thought out addition.

But talking about Demon Realm, and as to not end on a negative, another achievement of Lazy Dungeon Master writing is to come up with a culture that actually feel alien. Not just a perversion of human culture, but a whole separate thing with their own traditions and mindsets that feels incompatible with human understanding of world but doesn’t feel contradictory to itself. Also it’s not demon as in “devil” but as in “monsters”, so it’s not the overused le morally grey characters/le demons are actually the good guys trope, it’s just actual culture of a different, fantasy world.

So to summarize, this was entertaining to read, although it’s no masterpiece – it’s simply some popcorn fun. It’s basically more light-hearted Overlord.

However I would only recommend reading this if you are able to tolerate some hijinks typical for the isekai genre. If you really hate isekai, this will not change your opinion. If you hate most isekai, give it a try but if it doesn’t interest you by the second or so volume, don’t force yourself to continue, it won’t be some hidden gem for you.

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Poll: Lazy Dungeon Master Web Novel Volume 7 Discussion Stark700 - Apr 19, 2016	2 replies	by aniyeong »» May 22, 2021 7:57 PM
Poll: Zettai ni Hatarakitakunai Dungeon Master ga Damin wo Musaboru made Volume 13 Discussion Zaphkiel_El_Rem - Dec 28, 2020	3 replies	by kyoudai »» Feb 28, 2021 10:57 PM
Poll: Zettai ni Hatarakitakunai Dungeon Master ga Damin wo Musaboru made Volume 12 Discussion Zaphkiel_El_Rem - Sep 30, 2020	0 replies	by Zaphkiel_El_Rem »» Sep 30, 2020 6:21 AM
Poll: Zettai ni Hatarakitakunai Dungeon Master ga Damin wo Musaboru made Volume 11 Discussion Zaphkiel_El_Rem - Aug 6, 2020	0 replies	by Zaphkiel_El_Rem »» Aug 6, 2020 5:33 AM
Poll: Zettai ni Hatarakitakunai Dungeon Master ga Damin wo Musaboru made Volume 10 Discussion Zaphkiel_El_Rem - May 12, 2020	0 replies	by Zaphkiel_El_Rem »» May 12, 2020 2:48 AM

Zettai ni Hatarakitakunai Dungeon Master ga Damin wo Musaboru made
Lazy Dungeon Master
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Zettai ni Hatarakitakunai Dungeon Master ga Damin wo Musaboru made
Lazy Dungeon Master
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