Netooku Otoko no Tanoshii Isekai Boueki (WN)


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Ayase Jirou, is someone who makes a living by net auctioning things he purchased from people who don’t need them anymore, in other words, a Picker. One day he found a large antique mirror from an old hag’s cellar which was given to him for free. That mirror is actually a portal to another world, allowing him to go back and forth between worlds, much like Kakedashi Programmer. In no time he found an exploit that by selling things from modern world to the other world and vice versa he could get filthy rich in no time at all!

Netooku Otoko no Tanoshii Isekai Boueki (WN) average rating 3.9/5 - 213 user ratings
Associated Names
One entry per line
NetAuc Otoko no Tanoshii Isekai Boueki
Net Auction Otoko no Tanoshii Isekai Boueki
The Amusing Other World Trading Travelogue of Net Auction Guy
Related Series
Netooku Otoko no Tanoshii Isekai Boueki (LN) (Light Novel)
Takarakuji de 40-oku Atattandakedo Isekai ni Ijuu Suru (2)
Seiun wo Kakeru (1)
The Man Picked up by the Gods (1)

Latest Release

Date Group Release
11/21/17 RinkageTranslation c54c54
11/17/17 RinkageTranslation c53c53
08/07/17 RinkageTranslation c52c52
06/19/17 RinkageTranslation c51c51
06/07/17 RinkageTranslation c50c50
04/24/17 RinkageTranslation c49c49
04/06/17 RinkageTranslation c48c48
02/03/17 RinkageTranslation c47c47
01/11/17 RinkageTranslation c46c46
12/25/16 RinkageTranslation c45c45
12/08/16 RinkageTranslation c44c44
12/07/16 RinkageTranslation c43c43
12/07/16 RinkageTranslation c42c42
12/05/16 RinkageTranslation c41c41
10/04/16 RinkageTranslation c40c40
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14 Reviews sorted by

April 3, 2016
Status: --
A very slow progression harem another-world story with an economics and online trade focus rather than the MC being the legendary hero. The MC seems be a ethically-bankrupt physically-weak non-op coward; however as a twist, he has high-morality and meticulous complex strategies to fight adversaries. In fact it’s so slow, the MC refrains from doing anything perverted or echii until chapter 30/31.

If you looking for the best harem hero or hero transported from another world story, then look elsewhere. If you looking for epic fights with evil demon lords... more>> or mythical beasts, then look elsewhere. But if you looking for something different in harem or fantasy genre... If you looking for something with a complex economic plot like Maou Yuusha, then look no further. You have found an economics fantasy masterpiece. <<less
45 Likes · Like Permalink | Report
Upheaval rated it
March 22, 2016
Status: --
Light spoiler about the story till chapter 17:

... more>>

The boy finds a magical mirror that is connected to another world. The first chapters are about him going between the two world trying to take the chance to make money. Eventually, with the help of a native couple, he decides to become a merchant and he is introduced to the merchant guild. After asking around, he notices that the best way to protect himself is buying a slave. Then he meets a merchant that sells elves but the price is astronomical so the merchant ask him for a duel where he will need to win to get the slave for free. The duel is about making a political figure accepts a gift from the MC for her 50th birthday.

The world is an european middle age-like world with magic.

The first chapters are an introduction about the protagonist, how he understand that the mirror is a portal to another world, his first encounter with a native couple that eventually will help him build his new life in a town near the portal to his home.

It has a GDR feeling because the MC has various blessings and can get quests from the world (but those are not only his prerogative because even normal people can get a blessing and various quest).

He is trying to be a merchant, will he able to make that happen? Well at least he has various blessings that will help him along the way. <<less
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elainekoek rated it
October 17, 2016
Status: --
It's not the usual harem/another world story/trading business you'd usually expect. This is basically like what neoshadow has said. Frankly speaking if what you're expecting is that then this is not something that you should be reading. It has slower story progression compared to the rest since unlike the other stories, this is more in-depth, day-to-day progress and how the MC grow in the other world.

Unlike other stories where the time skipped quite far, this one actually goes day by day so you can't honestly expect someone to grow... more>> in terms of personality or profit in just 1-2 weeks.

As what neoshadow has said, if you're looking for the usual harem stories or OP hero defeating the demon lord story then this is not for you.

What I've seen from all the bad ratings might be that due to the reason that they are looking for a run-of-the-mill transported to another world story. <<less
35 Likes · Like Permalink | Report
makenai89 rated it
November 13, 2016
Status: c40
Reviewed at c40, rated 4.

Despite its business/economics tags above, Netooku Otoko up to c40 is just a light read about the days of an ex-NEET who gained an artifact that allowed him to go back-and-forth between two worlds. In the other world, the MC was a merchant with many supporting unique talents and he did do some trades between both worlds, but the story developed slowly as he was more a cliche safe-seeker than a creative risk-taker. Therefore, although we probably could expect more business and adventures to come in... more>> the future, it is wiser to take this novel with intention to "enjoy the ride" instead of "enjoy the thrill" or "enjoy the tricks".

The Author's narrative was not really good, but there were strategically placed hooks that may string you along if this novel is your kind of thing. TL DR; this novel is not for everyone, but some of you who prefer Japanese slice-of-life might find it interesting. <<less
25 Likes · Like Permalink | Report
mortal.ace rated it
December 2, 2016
Status: c40
The plot may be slightly slow than an average world building or money making novels out there but it's actually a relaxing read. This novel might not be everyone's cup of tea but I found that the plot kinda string me along and makes me feel like reading it nonetheless.
21 Likes · Like Permalink | Report
yukimi rated it
January 26, 2017
Status: c46
This is a nice slice of life novel if anyone's looking for a slow progression harem another-world story. The only thing that might be lacking from this is character interaction. (Which would make it a great novel if there are more conversations among the characters)

Overall still an enjoyable read, but based on the development of the recent chapters, I could expect something more now.

Story: 5/5
Character: 3/5
Translation: 4/5 (earlier chapters) , 4.5/5 (recent chapters)
14 Likes · Like Permalink | Report
SunsetChaos rated it
July 26, 2016
Status: c37
One would think with Net Auction on title, it would focus more on trading and sh*t. Nope, main story will always focus more on his harem. No real plot or anything complicated. Everything is pretty much handed to him, including his harem. He doesn't need to work for anything, so don't expect any real economics. Again, the story will always be about him and his harem.

Comedy? Amusing? Not even funny. Light-hearted Slice of Harem Life sure. Action? Adventure? Where? Literally 1 whole volume was introducing girls for his harem. And... more>> it's still growing.

If you take a look at vol 7 cover, you'll see it's not going to stop anytime soon.


This MC is one of those typical japanese dense retarded MC. And he's probably one of the worse one. Btw, he's 21 years old but acts and thinks like he's 5 years younger. Got himself a harem handed to him? Fine. But even though he constantly thinks with his d*ck, doesn't try anything until the second volume. When he actually tried, he literally ran away.

What's worse is that he didn't use or even TRY to use magic at all until several weeks later. He knows he's in a fantasy world with swords and magic and monsters. He knows magic exist. He even has the magician job. But nope, he decides to get female slaves instead partly to help defend himself. That one time he tried magic (only tried for a split second), found he has talent, but never tries again. What. The. F**k.

If you want (better) stories with connecting modern and fantasy worlds, try Takarakuji de 40 Oku Atattandakedo Isekai ni Ijuu Suru (I Won 4 Billion in a Lottery But I Went to Another World) where it's almost the same thing except the MC actually tries to improve the world with modern knowledge and merchandise. <<less
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Ravime rated it
July 25, 2016
Status: c20
So I stopped reading at 20 chapters in and yeah MC just gets screwed over and screwed over it was seriously starting to piss me off

Writing isn't that good doesn't flow at all moments that should be passionate like reading a love letter the author did horrible the MC is kinda dense and slow and yeah I can't continue this novel any longer.

don't suggest this novel unless you like seeing a MC get treated like a side character and getting tricked constantly
8 Likes · Like Permalink | Report
poli rated it
June 20, 2016
Status: c24
The writing is not HORRIBLE, but is extremely, tiresomely repetitive. The MC is cowardly and horrible at making money and negotiating in a story about doing business... He gets a harem handed to him (because of the cliche setting, not because he does anything impressive), but as with so many of these cliche tsundere freefalls you can tell that he is not going to actually succeed with any of the women for an incredible amount of time.

None of the other characters have particularly great personalities either since the author is... more>> fairly poor at writing stimulating dialogue if not about the plot or general situations, so I really cannot see any way this is worth reading. <<less
7 Likes · Like Permalink | Report
slay_mithos rated it
October 23, 2016
Status: c25
TL;DR: Yet an other of those boring novels from japan, even though the base idea had a lot of potential.

When a character supposed to be at least decent in trading, deception and cunning (in a story specifically about these) is let down severely by a poor writer.

The "plot" is so contrived that the author had to introduce "quests" given by the gods as the reason for people interacting with each others (and not in an interesting way either, sadly).

The characters are shallow at best (most don't even have a scrap... more>> of personality, even those that are part of the plot), with very basic dialogues not helping.

Overall, it feels like yet an other of those many light/web novels that have a concept that could be very interesting, but with a series of flaws that make them unremarkable at best.

Among those flaws, a very simplistic writing, with mostly basic sentences, simple words, detached sentences (rather than proper, connected paragraphs) and an inability to take advantage of the first/third person narration. Shallow/non-existent plot, removing any sense of progression through a constructed story (it doesn't need to be huge, but it's nice when you don't feel like you are reading a collection of side stories). Blank protagonist, that insists on hiding himself (because it's a cultural thing in japan, sadly) while still doing things that will definitely attract attention (be it those with power or those that introduce technology/items). Insistence on following what seems to be guide lines with "harem" (just to put various template women near the main character), "Japanese food/culture is the best" (understandable given that they are Japanese and write for that public, but why go for a European medieval setting?), "slaves" (mostly to fill the harem easier and to fulfill the "hiding")...

If those authors spent a bit more time on making characters and plot, and made a better use of their language skills (they are writers, they are supposed to have at least a decent vocabulary, and readers are not that dumb to not be able to understand a proper sentence right?), we could be flooded with novels that are entertaining to read, and also worth paying for.

I mean it, there are so many of those novels that have an interesting idea behind it, and most of them could be significantly better with "just" that. <<less
5 Likes · Like Permalink | Report
UnknownSaint171 rated it
February 6, 2017
Status: c47
This is actually not bad. But it clearly does not deserve 5 stars!
-Typical Virgin Otaku with elf fetish
-Everything to easy for MC
-There's hardly any story development at all

Don't forget this WN is 164 Chapters. Its very short and makes no progress. I had a lot of high expectations too since the summary was genius. The romance is pretty terrible too
... more>>

The girls fall in love to easily. It feels like he took advantage of the Dark Elf since she's poor, desperate and with no other option. She blindly obeys his every wish since the beginning. The Princess was ok at first. I loved that she has like a "princess role" where she delusionals herself of being someone high and mighty but then she turns annoying. If there's anything that had development, it's Rebecca! She was there since the beginning and slowly fell in love with MC. But it doesn't seem she will end up with him looking at the illustrations. There was a part were the MC felt used because she only helped him for "spirit stone". Man I felt so sad but in the end MC got over it like nothing the next chapter WTF. You had so much to work with there..


It just feels like a lot of wasted potential. If Rebecca doesn't end up in his Harem then this story is not worth reading! <<less
4 Likes · Like Permalink | Report
June 25, 2017
Status: c51
It's okay.

It takes a bit to pick up, but the characters are mostly enjoyable and the writing isn't bad. If you're looking for a story where the MC battles monsters and becomes the strongest in two volumes, this isn't it. It also isn't a story where the MC runs back and forth between worlds and becomes instantly rich. This is the adventures of MC-san and his elves.

My favorite segments have been the Internet Forum parts, which are pretty funny if you're familiar with 2ch. This novel is certainly more enjoyable... more>> than the battle harem trash that gets 5 stars on this site. <<less
3 Likes · Like Permalink | Report
Banarok rated it
December 8, 2016
Status: c40
Wile the concept is okay it's riddled with issues, the main one is that there is no conflict or issue that needs resolving and if there is he gets the answer by it falling into his hands, meaning we don't learn anything about the characters because they never have to interact with anything they just "float" along the current.

I don't really mind wish fullfillment stories but this one was dreadfully boring due to the characters not having any well... character.

it's not offensive, just so effortless and bland i'd never recommend... more>> it to anyone <<less
3 Likes · Like Permalink | Report
kzwkrain rated it
December 31, 2016
Status: c45
It is fun to read, except for the following.

... more>>

-Bragging on the Internet. "I can connect to other world!!" "Post it on the forum as an anonymous!" "Share photos on the Internet!" That's quite a dumb thing to do. And the forum took up an entire chapter. So far, 3 chapters were wasted.
-Parasite. He is a NEET in the real word, relying on his parents wealth to take care of him. In the other world, he asked someone to pay for his slave, repairs his mansion and buy him horses.
-Obstacle. No obstacle for the MC. Everything goes smoothly. Just a slice of life novel so far.

2 Likes · Like Permalink | Report
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