World Strongest Rearguard – Labyrinth Country and Dungeon Seekers


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A heavily overworked businessman takes a nap on a bus headed to a corporate retreat. He awakens in a fantastic labyrinth city, immediately being informed that he has been reincarnated after dying in a bus accident and must work as a dungeon seeker.

Confused, the former businessman heads to the registration point to get his job, only to be hit with two huge and horrible surprises: The first is that his pushy boss lady who had worked him to the point of collapse in his former life has also reincarnated here. The second his job received from registration is unknown and unreadable—no one will party with him and will treat him like an invalid if they find out this secret!

He is forced to hire a demihuman mercenary to party with him, and things will only get worse from there as he is forced to confront the deadly nature of his new, reincarnated, occupation.

Associated Names
One entry per line
Sekai Saikyou No Kouei Meikyuukoku No Shinjin Tansakusha
The World's Strongest Rearguard: Labyrinth Country's Novice Seeker (LN)
World's Strongest Rearguard: The Novice Seeker of Labyrinth Country
World’s Strongest Rearguard: Labyrinth Country & Dungeon Seekers
世界最強の後衛 ~迷宮国の新人探索者~
Related Series
Dungeons Appeared in Real Life (2)
Dungeon ni Deai o Motomeru no wa Machigatte Iru Darou ka (1)
Boundary Labyrinth and the Foreign Magician (1)
Hazure Skill ‘Mapping’ wo Te ni Shita Ore wa, Saikyou Party to Tomo ni Dungeon ni Idomu (1)
I Was a Sword When I Reincarnated (WN) (1)
Isekai Yururi Kikou ~Raising Children While Being an Adventurer~ (1)
Recommendation Lists
  1. My List LN/WN Isekai
  2. J/K fme5-9tnj-04
  3. Trollo Recommendation
  4. Begining/ comeando
  5. Male MC Harem stuff i read

Latest Release

Date Group Release
02/07/20 Foxaholic c31
11/30/18 Yado Inn c30
10/13/18 Yado Inn c29
10/06/18 Yado Inn c28
09/29/18 Yado Inn c27
09/22/18 Yado Inn c26
09/15/18 Yado Inn c25
09/08/18 Yado Inn c24
09/01/18 Yado Inn c23
08/25/18 Yado Inn c22
08/18/18 Yado Inn c21
08/11/18 Yado Inn c20
08/04/18 Yado Inn c19
08/01/18 Yado Inn c18
07/27/18 Yado Inn c17
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14 Reviews sorted by

Avil rated it
August 13, 2018
Status: c107
It's a pity most people will just ignore this novel with the "it's another Isekai with a wimp MC" argument, the setting is interesting and the characters are likeable, especially the MC former boss. She starts as an overbearing insufferable character but after a few chapters we learn her reasons for doing so and she even apologizes, unlike most tsunderes and similar boring characters she never returns to that old behavior.

The MC is a rearguard and somewhat of a tactician, while soft-spoken and a bit of a coward he gains... more>> self confidence bit by bit and is trusted by his party, the other girls are actually decent characters so there are no "let's beat the guy because he dared to look at a girl's cleavage " scenes, they are also getting stronger so the girls aren't damsels in distress. <<less
40 Likes · Like Permalink | Report
Yorule rated it
August 4, 2018
Status: c14
this novel was fine until now, but the bad points are revealing themselves :

_The female lead who, we only knew was hard on MC could have become a strong character with a lot of reasons for the abuse but instead already started to become meek/shy towards MC (boring harem already on view) (with a "sorry I was stressed "as an excuse for overworking the MC).

_The ballsless MC who said he had ambition looks forward to his retirement when he can afford a comfortable life (day 2).

_The competitive based... more>> world where the low rankings seekers sleep in stables (tr*shs) and mid rankings seekers of the beginning area sleep in suites (VIP), but the others more conventional jobs have a normal village life ? So what, do the rankings change every day ? Do you also change establishement every time you lose/gain 15 places in the ranks ??

_So it's a very competitive place, that means the story should have a bit of darkness in it, spoilers: it won't, clearly, everyone is a good natured and talkative being.

The last point is bad to me the world tells me getting stronger in struggle, pain, joy maybe death but the current story tells me slice of life with op MC (a boring one).

Conclusion : I should haved continued reading as it is still early, but I can feel the disappointment taking shape little by little.

So thats where I will stop this one <<less
16 Likes · Like Permalink | Report
mistke rated it
November 30, 2018
Status: c29
Started out interesting but for some supposed "adult" characters they sure act like teenagers who have no idea how to handle a relationship. And that's all this story is about at this point.
8 Likes · Like Permalink | Report
AndyDarren rated it
October 8, 2018
Status: prologue
As always it started out fine but as of chapter 24 it's already slowly devolving into the same old isekai slice of life tr*sh that we're all used to. The plot itself is very much dull as the entire game system is reminiscent of the most basic form of mobile rpg. The powers of the MC so far consist of simply adding flat bonus values to his companions' attack and defence and at this point I can already tell that this story's whole plot is going to consist of the... more>> mc's party being able to advance forward simply by having him present and his companions going all gaga for him because of it. 20 chapters in and already his party consists of a harem on cardboard heroines who've taken a shine to him barely a day after meeting. If things continue this way in the next few chapters then I'm simply gonna drop this and never look back as I've long grown tired of all the wish fulfillment drivel of JP novels. <<less
6 Likes · Like Permalink | Report
RImiru rated it
September 29, 2018
Status: c27
Well this WN start quite nice, it was something new and story was actually good until one point when it suddenly turned into useless slightly pe*verted harem. I mean in last few chapter story is only about relation between MC and other heroines which just making it really hard to read at least for me.

I am still going to read more of it but if the story soon will not start progressing again it will be another WN which had to be dropped because of too much useless crap between... more>> MC and more then 1 or 2 heroines <<less
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pandamonius rated it
March 30, 2021
Status: v5
It's hilarious that some readers will pick up what is obviously an Isekai harem with a dense, OP protagonist, and then complain that it's an Isekai harem with a dense, OP protagonist. If you don't like that stuff, don't bother reading it in the first place. Seriously... it's like deciding to watch a slasher flick and then complain later that there was too much violence and not enough romance and comedy. Wrong genre, brah.

If you like iseaki, situations where there are a bunch of love interests, but the story is... more>> focusing on building the relationships rather than constant depictions of physical intimacy, MC's that are rather weak but can be OP through their use of strategy, etc..., then you'll probably enjoy this. Just don't go into it expecting it to redefine the genre. That's not its purpopse. It's a light, fun, and refreshing read, and makes a great chaser for when you finish something more serious and your mind needs a bit of a cleansing. <<less
2 Likes · Like Permalink | Report
gaulby rated it
December 26, 2020
Status: v2
The characters don't act their age. It's pretty much a cheap harem at this point. Imagine meeting a girl on the first day and on the second day she's already deeply in love with you. Blushes are also pretty cheap and overused.

The only plus is that the character designs are good. Nonetheless, pretty much everyone is a cardboard character.

Definitely will not recommended.
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sgrey rated it
April 24, 2019
Status: c30
I like the world building here. Even though not everything might make sense, at least it is a unique world with its own distinct customs and rules, not your generic isekai. Granted, you've got adventurers and dungeons, but it is still different from everything else I've seen so far. The characters are also fairly distinct and flashed out, but we didn't have time for them to really develop.

What's bad about it is basically a romance. We got 30-year-old people with juvenile insecurities who are too shy to hold hands. I... more>> kinda understand since according to the story they were slaving away at the company, so they had zero romance, but this is still kind of too immature. We also have a bunch of girls taking a liking to the MC for no reason and looking at how the author handles it, we are probably not going to get a relationship, or at least not any time soon. Expect a platonic harem on a level of middle school manga. At least there are no tsunderes so far, and if I remember right, none of the girls is a loli.

So far there doesn't seem to be much of a plot. We have only characters getting used to the world, but there is somewhat of a goal with one of the girls.

There is also not much in terms of comedy so far.

Overall it's a fairly interesting time killer. I would say it's an average story, but we will need to see at least 100 chapters before we can see where it will go. <<less
2 Likes · Like Permalink | Report
KingPJ rated it
January 30, 2023
Status: v6
This novel fits perfectly when you want a lighthearted read, the characters are likeable and the world building is pretty good and the premise of rearguard is interesting, that doesn't make MC a pushover that need to be protected he is OP but in a different way, his role is more like tactician alongside with support skills, its kinda refreshing

Many people rate it low because the denseness of MC, cant argue with that because its true but that's how most japanese MC are in Isekai genre, any experienced reader should... more>> be already used to it.

Well, this novel isn't a masterpiece but it's pretty enjoyable to read, give it a try. <<less
1 Likes · Like Permalink | Report
Not Red Yet
Not Red Yet rated it
June 26, 2020
Status: v1
Typical JP novel.
Rankings seem to mean nothing at all since it introduces people just living there.
MC gets a harem very early on that’s lackluster and one dimensional.

MC is just Gary Stu so far, skills that are basically overpowered and such, wrote down rearguard as class and someone has that as a job which is ridiculous since how come others don’t have it since I doubt they didn’t also write it.

Do anything mildly bad and Karma will go up and you’ll be in trouble, could just be a bad... more>> translation since usually good Karma is not bad. (Karma will go up even if you look at a women’s breast for awhile without her permission.)

If you like typical boring JP MC with boring pseudo harems then this is for you.

I also didn’t like how MC uses a slingshot out of all long range weapons. It’s supposedly super strong, better than a bow also which makes me face palm. <<less
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avinashvamshi180 rated it
March 6, 2020
Status: v2
Well it started out good and I thought it was interesting. After 2 volumes it just became a harem story. Most of the time I felt like MC is pretending, he didn't come off as genuine. (Like the author is trying to portray MC as a nice person, however MC actions and behavior seemed otherwise.) There is no strong male-female relationship, it just feels like all the girls wanted him for no good reason other than him being nice. I got quite irritated with how MC treats his female... more>> companions, it felt like superficial like he really doesn't understand their intentions, it's pretty clear from their behaviors.

The other thing most irritated me was the number of times he used 'Sorry' and 'I want to help' like he is some sort of only person capable of helping others and the world from shit. Instead of coming as genuine, it felt like boring and irritating. I hate the bathing scenarios, those scenes were superficial and useless if you ask me, except if you like pe*vert scenarios.

Any way I dropped this novel at this point. It mostly seemed like a wish fulfillment novel. <<less
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fmma4 rated it
September 6, 2021
Status: --
Not something like super duper amazing quality novel but I think nothing less than 4 star rate like every novels manga and original anime out there harem is sometimes annoying and MC is sadly let say it he cant do anything with them because of this novel hardly 15+ age so thats makes this novel boring sometimes sadly.

... more>>

MC adult and not that annoying like other than no ero scenes I know not everthing is ero but but if there5 or more girls there you know what I mean.

MC op but not %100 he op because of he is support and with good team if you tag along with MC you gonna gain more exp item and you can fight with really good buffs so nice.

Harem and other characters not bad but other than harem other characters feels like empty because of MC so important for story and for party and he is really cheat character he can buff exp rate item rate or battle skill normal stats etc.

Not gonna lie sometimes MC worshipping gets so boring still like I said before not that bad.


So if you need summary good novel with lot of hype but no ero so if you wanna read for ero thats not gonna happen and MC more like support than op one punch man he op as support not as warrior or others classes so no that op MC for last pacing is some times gets boring but still good novel if you dont like slice of life style stories maybe this is not for you well have a good read. <<less
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bkwrm rated it
May 18, 2021
Status: v3
Started reading the WN awhile back and saw it had gotten an official translation so I've been working through that. Might be some differences since my memory is iffy.

Series is alright with some interesting ideas, although some things feel poorly thought out like the housing setup and a difficulty that would kill off all but the luckiest seekers with how fast it swings. The first volume is quite good but than the author sinks to throwing new girls at the MC constantly with quantity > quality along with the number... more>> of Named monsters this 2 week old team has fought being quite ridiculous by the end of volume 3. Seriously the pacing is just s*upid.

Although I'd say my primary complaint is the sheer amount of gushing from his harem over every little thing the MC does gets very tiring. I have a decent tolerance toward harems, especially ones where the MC is moderately likeable. And when the MC does something impressive, sure thing. But this amount of ego stroking feels like awkward teen fantasy or bad chinese web novel.

Honestly this barely edges into a 4, mostly because of curiosity about the setting and how much I enjoyed Volume 1 where the girls were a bit more fleshed out. <<less
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Zelloss rated it
July 22, 2020
Status: v3
Not too bad, but i don't know why, the novel leaves me with a strange feeling, a lack of feelings.
I think the manga version is much more expressive, whereas usually it's the other way around.
0 Likes · Like Permalink | Report
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