Reincarnation into the Barrier Master


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When he opened his eyes, Kubo Tamotsu (34 years old) was reincarnated into the different world. He was reincarnated as a 6 years old boy with a「Barrier Lv1」skill. But his status was a 「s*ave」. In order to escape from his harsh circumstances, achieve「Peaceful life」, and be「Surrounded by beauties」, those were his dreams from the previous life, he decided to struggle with all his strength.

Associated Names
One entry per line
Kekkaishi e no tensei
Related Series
(Um, Sorry) I’ve Been Reincarnated! (1)
Another World’s Savior ~ I Became Unparalleled by Using the Jet-Black Divine Equipment~ (1)
Conquering Hero’s Heroines (1)
How To Live In A Different World (1)
Death March kara Hajimaru Isekai Kyusoukyoku (WN) (1)
I Said Make My Abilities Average! (1)
Recommendation Lists
  1. isekai hero
  2. Novels i read as Manga/Anime
  3. My favourites
  4. Reincarnation Novel
  5. Average Isekai Jap Novels

Latest Release

Date Group Release
10/31/19 Re:Library c88
09/08/19 Re:Library c87
09/07/19 Re:Library c86
11/20/17 Re:Library c85
09/21/17 Re:Library c84
09/15/17 Re:Library c83
07/20/17 Re:Library c82
07/05/17 Re:Library c81
07/03/17 Re:Library c80
06/26/17 Re:Library c79
06/26/17 Re:Library c78
06/26/17 Re:Library c77
06/26/17 Re:Library c76
06/20/17 Re:Library c75
06/20/17 Re:Library c74
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16 Reviews sorted by

antiger2612 rated it
January 14, 2017
Status: c7

Uninteresting story. After transported to another world, the MC has no sense of urgency of finding out where he is, why he was transported, and what this world is. Also, from the description, he didn't even seem to be confused or desperately try to escape. Only after being bought, he once tried to escape but got electric shocked. That's about it. After that, he never even thinks about escaping. After he was transported, he was like, "I now know I'm a s*ave, so I'm just gonna accept whatever will happen to me, and the possibility of being transported and become a 6 years old s*ave being a dream and not reality is practically 0%." This is not realistic for someone who has been living a normal life, having ordinary job, and never been a s*ave nor treated badly reacts in this kind of situation. This author should read the first few chapters of Overlord to understand how a character should react in an abnormal situation to make it more realistic.

The world building is horrible. The author doesn't explain the world surrounding MC and only gives a brief description about the mansion he's going to live for years later. Character description is terrible. The only thing the author described about the characters is that s*ave merchant has a beard, Versam von Elsa is 60 years old, and Falco, who will be the MC's teacher for years, is a "white-haired man."

At best, this novel can be a filler for your time, but I would not recommend reading this novel for good story-telling.

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BrotherofHavok rated it
January 18, 2017
Status: c54
Utterly disappointing.

EDIT: After the first dozen or so chapters there are less of issues #1 & #2. However, #3 & #4 are pretty much in full swing up until I stopped reading. I tried to give it a second chance, but its not worth investing my interest in continuing. ... more>>

1) Time Skips nearly every chapter. If that was going to be the case then why start the story at such a young age? Or why not just have all the time skips in one go? What is the point of checking up on the progress of the character if there is ZERO world building, ZERO character building, and the importance of the chapter can be summed up in a character sheet of before and after?
2) WORD COUNT! Each chapter (up to ch. 8 at this point) is between 300 and 800 words. Too little to do anything of real significance. I thought it might be the translator breaking up the chapters, but its not even parts of a single chapter.
3) Character gave up his personality way too soon. Start off with thoughts of escape and in 2 seconds flat is devoted to the woman who bought him? Would like the author to at least say that his near death experience because he might have not been sold was staged. Make some rage for his long years of devotion or something, PLEASE!
4) Eragon Training Method or ETt as I call it. Teach the MC basically nothing and immediately have a master magician start beating him? 2 Thumbs down for this training method.
There is more, but these are the 4 main problems that have caused me to pound my head into a wall wondering why I'm still reading it.


Good luck to both the author and translator. I hope it gets better. <<less
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kiti rated it
March 15, 2017
Status: --
The character is so listless and go with the flow that you can't bring yourself to care for him or anyone around him. Things keep happening to him and this reads like the diary of a particularly uninteresting chuuni person. Kinda like... "Monday - I reincarnated. I'm a s*ave. I tried to escape but I got shocked. There were a few other people around being sold into horrible fates but I don't care." and "Tuesday - Timeskip, training montage. I'm still a s*ave", "Wednesday - Introduction for the big breasted... more>> battle crazy onee chan character. Still a s*ave and still don't care". Not worth the time it took me to see if this was going to get better after 10 chapters. <<less
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Mr.Tomato rated it
March 19, 2017
Status: c58


I like the story even if it lacks world building, character development
... more>>

(No real emotions, he instantly accepts everything that happened to him so far immediately. His whole household/ country fall and all he care for dies and after a few chapters his back to normal like nothing ever happened. He lacks what some typical guy would do if they're in his shoes. To explore or even have an adventure on a new fantasy world but instead he prefer to be a butler/personal guard on someone else once again)

and the mc's go with the flow personality

(like really he became a s*ave and after being bought he completely devote himself towards his owner and after being their s*ave for years the thought of escaping or wanting freedom NEVER even cross his mind!!! No regular or ordinary person living in the modern world would accept being a s*ave for years).


I hate this kind of mc's he should be 42 yr old mentally right now yet im not even seeing a speck of it. He acts like some typical japanese 14yr old virgin ive often read in novels that I drop reading, they say wisdom comes with age but it doesn't seem to exist in japanese novels. Would rate higher if not for the mc


(I stop reading this for a month, then I run out of things to read and decided to continue reading this again)

Still 2 stars for me. The story kinda got better a little. A LITTLE. The MC improve, he became a very well written SIDE CHARACTER now. -_- <<less
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GregLuck rated it
April 18, 2017
Status: c70
As of c15, this is my opinion

... more>>

I got to say there are too many minus in this novel, from the MC character, world building, plot, etc.

The first and most annoying is the pace of the story and world building, while this story is progressing you can not enjoy nor understood much. The way author tells story and the world is like the author only retold some good story he ever heard, it's like just skimming through without any emotion.

The world building and lack of any sort of enjoyment is total letdown. The world lack character and interaction, he is a s*ave/butler, yet no other maid or servant ever evidently talking or having interaction beside Falco.
You know that there are lots of novel that is just bad with the plots, fan-service, OP-WTF-moment, yet when you read some chapter of them you kinda get attached and just following the translation for filler in wait your favorite novel chapter released, THIS NOVEL IS NOT THAT KIND.

This novel is the type of when you close the browser and don't open it in a few days, you will forget it, dropped the novel, and still not feeling anything. Yes, that is how insignificant this novel is.
As you can see from the other review, that most of them didn't even read to 2 digits chapter. I force myself to read up to chapter 15 and still, no enjoyment, no relatable things, no emotion playing, the world building is ugly, plot is nothing, character is emotionless doll. And I still kind enough to give it a 2 star.


After reading to c56, I revise it to 3, 5 star.


The plot really did get twisted, gotta appreciate the author for that twist. I thought that the story was going to be super-loyal-invincible-butler thing and I was wrong.
No one expect that kind of twist, although it somehow ends up with your usual OP-MC enjoy life will collecting harem. But it still has a uniqueness to the usual harem plot. Although that twist at the beginning, the usual delish-food-everyone-happy story somehow still shows up.

Beside that, there is still many inconsistency about the MC skill from barrier master to somehow anything you could think of is possible inside barrier.
Basically it gets little better as it goes, there is still many flaws and weakness to this novel, it is still on barely decent.


As of ch.70, the story took a drastic change.

From what used to be a struggling emotional MC, now just become your usual super-OP-pushover-MC.

The inconsistency of this novel is just unbelievable. <<less
18 Likes · Like Permalink | Report
montblanc512 rated it
November 3, 2017
Status: c25
This started off being interesting. Not the most original series, but had a bit more going for it than the normal Isekai. Then the twist occurs, and it suddenly becomes the most generic Isekai OP protagonist story one could possibly imagine.

... more>>

Stop me if you've heard this one, a 30+ year old re-incarnates into a child prodigy in a swords and sorcery type medieval world, gets a cheat skill, gets a convenient item that lets them carry infinite junk, and then slowly builds a harem? Now imagine that, only it starts 20 chapters in when the writer apparently decided he didn't like his original idea. He gets to this generic plot by having everyone die in one chapter, all the characters they spent 20+ chapters making important to the MC, just gone, and he gets angry about it for all of 3-4 chapters, and then it becomes that generic story I just described.


Absolute garbage that feels even worse since it started off being more interesting. <<less
11 Likes · Like Permalink | Report
mikaelhg rated it
May 18, 2017
Status: c25
Personality- and ambition-free MC was free before reincarnation, his s*ave status is mentioned in every second paragraph, but even after becoming a powerful LV4 mage, he never considers that maybe it might be a good idea to use his brain once in his life, and use one of the many options, even just taking off and living as a powerful magician somewhere else, to gain his freedom.

This was clearly not written by an adult, and is not suitable for an adult audience.
8 Likes · Like Permalink | Report
Otaku Jelly
Otaku Jelly rated it
April 30, 2018
Status: c50
Well, the MC is just your generic, bland and overly accepting isekai character... I really can't understand his charater at all, he just goes from a-ok one minute, then crys the next, without any explanation. The reader never understands him enough to comprehend why.

The premise is ok, I mean it intrigued me enough to continue reading, but both the settings and characters are pretty lackluster and don't get fleshed out, they just appear.

My biggest problen is that the story is very, very inconsistent. Very minor spoilers v

... more>>

After the events ch16 there's a HUGE tone change. The story goes from trying to be gritty tragedy story, then suddenly decides to be a slice of life. The change was super jarring and anticlimactic, it felt like a different story.

If like me you enjoyed the story up to ch16-20 be prepared for a completely different experience.


Overall, it also experiences pacing issues throughout and throws anything good it has going for it away frequently. <<less
7 Likes · Like Permalink | Report
Little Big House
Little Big House rated it
January 19, 2017
Status: c9
Warning: Do not expect the story with a lot of characters background explanations. This is just a scratch above the surface. But it's still enjoyable. Fun story to pass time.

It's a short story made of short chapters but it's good to just go through the details without paying much attention to them sometimes. It's enjoyable but it's not a novel with a serious vibe to it. It's the kind of stuff you read because you have nothing else to do. -

The story itself is just a walk-through the life of... more>> the transported MC. We see the big picture of his evolution. Not much about how it happens but more about what is happening. -

The MC gets transported to another world as a child. He has become a slage and has been bought by a Marchionness (female marquis) because they saw that he had a barrier skill. He now goes through countless trainings to be able to protect his masters. -

The story rushes through the arcs. One arc may be 10 to 20 chapters.

Still recommend it if you don't have much time but still wishe to read something without rushing and missing some details. This novel is made for those who don't want to pay attention to all details and names. <<less
7 Likes · Like Permalink | Report
BuckRodgers rated it
January 17, 2017
Status: ch.8
Quite average at the moment, MC is a very go with the flow kinda guy and the chapters are fairly short. Decent for a couple mins of reading if you have nothing else to do but otherwise I would recommend waiting for chapter 20+ to come out and we get out of the training/growing phase and start seeing the world a bit more.
5 Likes · Like Permalink | Report
mario32 rated it
August 29, 2019
Status: c85
The story started slow, it had some progressive character background, the character gets stronger as the time goes on, he is not that OP character that doesn't give a f*ck about anything, you get attached to the characters and some red flags star to rise.

... more>>

At this point the whole story, background, everything goes to sh*t and never (at this point c85 at least) comes back, everybody dies and 1 chapter later hes running around and wondering how to make tofu and cook rice in another world... not to mention that the story is so cliche and boring that he apparently can fix any problem cooking some smelly japanese food and that's it.


This could be a 4/5 or even 5/5 if the author could think and write like he did in the first 15/20 chapters but apparently he ran out of ideas and thought "meh whatever", would not recommend. <<less
3 Likes · Like Permalink | Report
EienMugetsuTensho rated it
August 25, 2019
Status: c69
This is a good novel to just turn off your brain to relax and read. That being said the novel isn't just all happy go lucky all the time.
3 Likes · Like Permalink | Report
Spoon rated it
October 24, 2019
Status: c54

The story is pretty pointless. The MC has a pretty weak moral compass and does things mostly on a whim.

Side characters flock to the MC without any reason.

The antagonists are shallow and pretty incomprehensible.

Oh, and the author killed off main girl at the beginning.

Yeah I did you a solid and spoiled it for you so that you don't have to print this subpar piece of work and wipe your bottom with it.

2 Likes · Like Permalink | Report
Aharlequin rated it
July 25, 2019
Status: --
This novel is third rated novel. First I thought why I only see negative feedbacks. After reading many chapters, I understand completely.

Story is boring. MC gives "Everything is fine " that kind of vibe. Author trying to write some tragedy but completely fails. MC is boring. Especially writing style is under normal. MC does not even try to understand why is he teleport to another World. At least he should curious.

Nyaa~~~ If you just wanna pass your time, you are welcome.
2 Likes · Like Permalink | Report
UninuitiveCommenter rated it
December 12, 2019
Status: --
So, it was nice and dandy at first but ... more>>

Herdur everyone died am demon lord.

*evil monologuing*'200' year old fox that loli herdur legal HEAVY BREATHING.. You get it, its f*cking cringe. For the love that is anything you wanna swear by, don't read this garbage/spoiler] Without spoilers, standard Japanese op cringe tr*sh. Op?OK. Some cringe? Sure... This, NOPE. Writer gots middle school syndrome and baby's first plot armor. Actual constructive criticism is: It was fine at first, then it snowballed starting with op protagonist doing progressively more bs until Everyone dies and he goes full emo DND self insert demon lord, now with evil monologuing at 14. (Common sense not included, requires ages 14 and under to believe its good.)

tl:dr, Sorry for the rant, its garbage tier. Don't bother unless your that one neckbeard who makes the edgy rogue and thinks loli is okay, then this is for you. <<less
1 Likes · Like Permalink | Report
nobodyimportant rated it
July 11, 2019
Status: --
I can't give it a 1 because it's not nearly as bad as some of the real sh*t I've read, but there are so many things wrong with this story I don't know where to start. The author can't decide if he wants it to be slice-of-life or tragedy, so he combines the worst parts of both genres.

As others have said, the kindest way to describe the MC is that he "goes-with-the-flow" but to an extreme degree. None of the characters are particularly likeable. But for some reason, the author... more>> decides that the less unlikeable ones will be the ones that die the most painful deaths. This person has treated the MC like sh*t for the past 15 chapters but is finally starting to treat him better? That means the author is just trying to drum up sympathy for when they kill them off within the next chapter and a half, probably by dismemberment or some other horribly contrived tragic sequence of events. Then the MC will be spend half a chapter being incredibly sad for them, and then instakill the bad guys. Because he totally couldn't have instakilled them before the tragedy happened, then where would the author's drama go? Gotta get that drama in. Then instakill them. Then start torturing the not-as-unlikeable characters to death because the really hatred-inducing ones are already dead.

I guess the best way to describe this story would be unsatisfying to an absolutely massive degree. <<less
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