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Ginkaku Hakushi to Marmot  
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A young man, interested in doing research on urban regeneration to help repair his dystopian sci-fi future, comes to work for the genius Doctor Ginkaku, only to find he's retired from the country's research institution and taken up... super-elaborate sex toy development? What's more, he needs a guinea pig.


Related Series

Associated Names
Ginkaku Hakase to Marmot
Marmot and Dr. Gingaku

Groups Scanlating

Latest Release(s)
v.1 c.6 + Extras (end) by Dangerous Pleasure over 5 years ago
v.1 c.5 by Dangerous Pleasure over 6 years ago
v.1 c.4 by Dangerous Pleasure over 6 years ago
Search for all releases of this series

Status in Country of Origin
1 Volume (Complete)

Completely Scanlated?

Anime Start/End Chapter

User Reviews


User Rating
Average: 7.2 / 10.0 (293 votes)
Bayesian Average: 7.14 / 10.0
 18% (53 votes)
 11% (31 votes)
 20% (60 votes)
 22% (63 votes)
 12% (34 votes)
 4% (12 votes)
 4% (11 votes)
 3% (9 votes)
 3% (9 votes)
 4% (11 votes)

Last Updated
August 24th 2017, 6:17pm PST



Category Recommendations





Original Publisher

Serialized In (magazine)
Boy's Pierce (Junet)

Licensed (in English)

English Publisher

Activity Stats (vs. other series)
Weekly Pos #738 increased(+68)
Monthly Pos #1225 increased(+581)
3 Month Pos #2488 increased(+581)
6 Month Pos #3586 increased(+438)
Year Pos #4821 decreased(-54)

List Stats
On 405 reading lists
On 207 wish lists
On 976 completed lists
On 29 unfinished lists
On 283 custom lists

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User Comments [ Order by time added ]

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just kinky enough   
Rating: N/A
by elfee
December 17th, 2011, 4:42pm
I felt compelled to leave a positive review due to the gasps of horror below. It's not like... grotesque or anything, porn-wise. It would say if you can't handle this, then maybe a good quarter of yaoi I've seen would be 'too much' for you; stuff like latter Asami Tohjoh, for instance. But that aside, here's what I liked: the seme is hot!! He has this touch aversion (wears gloves all the time) and prefers machines to people, but is super-attracted to the uke, whose presence slowly corrupts him (in a good way). From what I can see of later chapters, he has a real character growth and becomes less of a shut-in with the power of sex (but more emotional than that). The uke has some spirit (compared to the tiny-girl-ukes who're always just submitting). Honestly, if you're ok with (actually just moderate) BDSM, the sex is hot, mostly 'cause the desire level is portrayed well and it's not like 'well, you're cute, let's do it'). As for the bestiality, it's no more 'real bestiality' than Ike Reibun's werewolf manga one-shot, but that's my opinion. It's just kink, and honestly more about exhibitionism and restraint, but YMMV.
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See it's more like this...   
Rating: N/A
by Lexireth
January 4th, 2012, 7:02am
So in my so humble opinion it is not "porn" though the sexual content may be excessive, take into consideration that this is the man's profession, and his hatred of touching others, it was sort of necessary. I really hope to see the upcoming chapters because despite the admittedly excessive sex the characters obviously had quiet a bit of untapped wealth in their unique personalities and pasts, so I'm hoping that as it progresses we see much more of them so to speak.

On another note, though there is quiet a bit of sex, like elfee pointed out this is fairly tame compared to quite a few works, and if you are going to read something labeled yaoi, you should be prepared for works like this. If you want something tame, Shounen Ai is much more for you.
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Rating: 4.0 / 10.0
by Avelys
July 25th, 2015, 3:21am
This manga is really indescribable. The characters are not believable, the romance is rushed, the angst is contrived, and the porn is so so at best. Even though I give it a low rating, I recommend to read it for its craziness, something that's always worth reading about.
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Not bad after all...   
Rating: 9.0 / 10.0
by streetwalker
March 11th, 2012, 1:27pm
I avoided this for a long time though I've enjoyed the mangaka's other works. From the description, I expected this to be mindless, pointless smut but I liked it a lot to my surprise.

The characters are great, I especially love Gingaku. His antisocial disposition and cluelessness/denial when it comes to his own feelings is so endearing. He also has a lot of baggage and issues which makes for a pretty deep and interesting character. And Kayanoya isn't your average uke being forced to submit yadda yadda yadda. He has a brain of his own and the will to use it, he's just in love with Dr. Gingaku and chooses to be "used" by him. I really liked it how Kayanoya was pursuing Gingaku in his own way. The whole setting too is interesting and definitely something fresh with the futuristic sci-fi angle.

As for the smut, this manga has gotten a lot of needless shit. There are yaoi mangas out there with sex in every chapter, rape, public sex and threesomes even foursomes and you call a manga where the seme hasn't even touched his uke with his bare hands until the fourth chapter super smutty? Gimme a break. I'm not saying all the stuff that does go on in this manga doesn't count but this definitely isn't one of the most disturbing ones out there, not even close. And the beastiality claims seem to be just BS. I'd label it more like...uhm...mecha? Machines anyway, not animals!

If you're only into soft core yaoi, don't bother. But this was a lot better than I thought it would be. Fun, sexy and entertaining.

... Last updated on May 26th, 2012, 2:18pm
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Stop exaggerating   
Rating: 7.0 / 10.0
by Serendipity_
May 31st, 2012, 3:25pm
Oh come ooon, it wasn´t that bad. People should stop exaggerating. I´ve seen alot worse. If anything, it was a little disturbing ( the robo-dog thing ), but nothing else than that. It was a typical smut manga with, in my opinion, an original idea to a smut-plot or whatever you wanna call it.
I liked the manga, it was funny and I didn´t get annoyed with it´s smuttyness like I usually do with other manga in the same category.

Give it a chance, it isn´t THAT bad and it isn´t either THAT good.

... Last updated on March 8th, 2014, 5:24pm
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Grossed me out.   
Rating: N/A
by Pebble_
October 9th, 2012, 2:21am
Dunno why, the smut is hot though. Or at least it should be, the art is good, and the 'staging' is, too.

Maybe it's the 'guinea pig' setting, and the off-putting reactions of (what's-his-name?) the uke.
Maybe it's the really twisted (not in a good way...) and cringeworthy relationship they have.
Maybe it's the pseudo 'character development' of the seme, that felt extremely obnoxious to me.

Well anyway, didn't like it, won't recommend it!

... Last updated on October 9th, 2012, 2:21am
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Smutty and over the top   
Rating: 7.0 / 10.0
by Namiya
April 18th, 2014, 4:05am
Most mangaka sometimes just wanna draw something totally crazy, just for fun, so maybe this is Ike Reibun's turn?
It's a somewhat comedic piece, clearly focusing on the smut, with a minor futuristic plot.
Don't take it all too serious!
I liked that the doctor has OCD but makes sex toys, and the way from not being able to touch anyone or anything, to having sex!

If you're up for a ton of smut, including robot (dog) sex, then give it a shot! The art is gorgeous as usual and the smut is very well done!
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Rating: 7.0 / 10.0
by poisonousrose1517
November 3rd, 2012, 9:56pm
it was an interesting story. There were parts that threw me off a little, Made me think "What the hell, What kind of sh*t is this" I think anyone who has read it, know what part i'm mainly talking about it. But the story was not bad, it was kind of weird, but it kept me interesting and of course the smut wasnt bad either. I'm not gonna not recommend it but i'm not gonna recommend it either. Just read it if it seems interesting to you.

... Last updated on November 3rd, 2012, 9:57pm
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Rating: 9.0 / 10.0
by Kinky-Chan
June 8th, 2012, 7:57am
I've gotta say, this manga is a lil weird. But although it's weird, that's why it's interesting! I find the robot sex toy quite...creepy. I mean, it's like...I dunno how to explain, but just creepy. Other than that, the flow of the plot was alright. The characters are funny and nice. It's a nice read but keep in mind that most of Ike Reibun's works are hardcore themed! x3
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Rating: 8.0 / 10.0
by cookieslov3
May 30th, 2012, 10:29am
I had put off reading this manga for a long while cuz (judging from the cover) I thought it was another horrible attempt of a yaoi trying to add some 'substance' to the story by adding demons n dragons or machines n wat not (i.e. crimson spell)........ but apparently I have far underestimated Ike Reibun
truth to be told, it's arguable that this manga is another eccentric, way over the top, meaningless smut. But if you ignore a large portion of the sex scenes (esp the first few ones), you're left with quite a kickass sci-fi story. The concept of a crippled human society is certainly not new, but the author has managed to present it in an intriguing way, relevant (we can see references of pretty current issues), and if u look deep enough, there're some very interesting ideas and perspectives.
what put this story on a solid 8 for me though, is actually the art. I mean usually, when a yaoi tries to go down a fantasy or sci-fi route... it never turn out well, especially in an artistic sense but I have to admit that ike reibun nails this one. Most of her other works carry a more japanese oriented supernatural or historical feel, and to go from that to this, is an amazing feat! Any artists could draw well given the right amount of practice and attention to detail, but to be good across many genres require an absolute versatile imagination, if not, a vast amount of research! And it's not like she just threw in a few robots n call it a sci-fi, there's machines, gadgets, building structures and mechanisms for god sake!
with that said, like any other works by this author, this manga still gives me mixed feelings - I enjoyed it, but I certainly won't put it anywhere near my top favorites, I don't love it, but I certainly will remember it. Nonetheless, I'd recommend it to anyone with an open mind and wanna get away from the usual relationship/drama-centric yaois
oh and I almost forgot, there is a romantic story in this, for me, it just pales in comparison to the aforementioned aspects of the manga - so there's not much I can comment on, but I'll try anyway. The characters are very weird, but not too unrealistic by yaoi standard, there're more than one dimensions though im still not sure if that's good or bad. What I can say is that you do feel like rooting for them by the end even without being very emotionally attached
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