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Kaibutsu Ouji  
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1. Sanbika
In a far country ruled by a beautiful Duke who seems to have formed a peculiar relationship with his right hand, Lord Yuri, there are cases of unexplained deaths... they would involve a vampire according to the spreading rumour.

2. Killing Moon

3. Life of the Machine
Koreya Takane, a famous scientist, had enough of the constant obligations required by his position when all he really wants is to be left alone with his work. That's how, in order to satisfy his taste for solitude, he build up a mechanical clone of himself... But what if it becomes impossible to distinguish the replica from the original man in the end?

4. Prince of Monster
A kind prince with strange red eyes who had been locked up by his uncle decides to end his misery... without knowing the grief it'll cause to his brother. He suddenly reappears 13 years after but what if he really has become the “Prince of Monster” as he used to be called?

5. Bye-Bye Mizuhara


Related Series
Sanbika (Spin-Off)

Associated Names
Farewell, Mizuhara
Killing Moon (MOTONI Modoru)
Monster Prince
Prince of Monster
Vita Maquinicalis

Groups Scanlating

Latest Release(s)
v.1 c.5 (end) by Nakama (1907d ago)
v.1 c.3-4 by Essence of Purity (3880d ago)
v.1 c.2 by Essence of Purity & NoDeadline (3880d 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: 7.4 / 10.0 (73 votes)
Bayesian Average: 7.24 / 10.0
 16% (12 votes)
 19% (14 votes)
 19% (14 votes)
 15% (11 votes)
 10% (7 votes)
 8% (6 votes)
 7% (5 votes)
 4% (3 votes)
 0% (0 votes)
 1% (1 votes)

Last Updated
July 2nd 2012, 2:15pm PST



Category Recommendations





Original Publisher

Serialized In (magazine)
Magazine Zero (Biblos)

Licensed (in English)

English Publisher

Activity Stats (vs. other series)
Weekly Pos #1147 increased(+130)
Monthly Pos #1926 increased(+787)
3 Month Pos #3538 increased(+982)
6 Month Pos #5490 increased(+37)

List Stats
On 102 reading lists
On 190 wish lists
On 342 completed lists
On 7 unfinished lists
On 139 custom lists

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User Comments [ Order by usefulness ]

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On the fence   
Rating: N/A
by calstine
February 10th, 2012, 8:40am
If one were to compare Kaibutsu Ouji only to other yaoi manga, it can rightfully be regarded as a masterpiece -- simply due to the disappointing lack of psychologically realistic works in the genre. But in comparison to general fiction that incorporate psychological, sci--fi/supernatural and romance themes, there's nothing particularly stunning or original about it. Rating and reviewing each story individually because of the considerable variations in quality between them:

Sanbika -- Not stunning, nor very surprising. I found the plot to be predictable, as it was a fairly typical take on the life of misery that is supposedly lead by all immortals. I somewhat liked the ending, however -- it was so much more gratifying than a typical "love conquers death" scenario. The two main characters have what can only be described as a "twisted master-servant relationship" -- but like everything else in this story, it has been done before and will be done again. [4.5/10]

Killing Moon -- Morbid, intriguing, and a unique take on the collision between love, lust, and sexual orientation. The plot was very original and unpredictable, with a harsh, twisted conclusion that I found to be absolutely marvellous. Even if you have no interest in the collection as a whole, this chapter is an absolute must-read. [9.3/10]

Life of the Machine -- Not bad, but once more, far from original. The ending was perhaps a bit more extreme than what I'd expected, but it wasn't a complete surprise. I found Kanbayashi's behaviour to be quite interesting -- his actions were far more believable than Koreya's, and very different from those of a standard issue lover + saviour type. [7.0/10]

Prince of Monster -- The twist at the end can be seen from a mile off provided you're sufficiently genre-savvy. Once more, a bonus point or two for the lack of a cliché happily-ever-after scenario. [4.0/10]

Bye, Bye Mizuhara -- This is the first yaoi I've read (not counting 50X50 and Kuimonodokoro Akira, both of which fall just short of being explicit despite being tagged as such)...and I'm far from impressed. Though I might not be the best to judge since I have no experience in the subject, I'd say as far as illustrations go the intercourse is pretty skilfully depicted, but...this is what all those fujoshi are so obsessed with!? It's so...unimpressive, and pretty much the same as josei smut -- save for a few anatomical differences laugh Anyway, the story -- once more, the only truly good thing about it is that one of them
Spoiler (mouse over to view)
got married and chose the "normal and safe" lifestyle over the "wild and hot" one -- something that homosexual people in conservative countries are more likely to do than not once they reach a certain point in their lives.

... Last updated on January 31st, 2015, 5:22am
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Rating: 9.0 / 10.0
by gasuki
February 14th, 2011, 11:25pm
<3333 Prince of Monster!!!!
it moves me so much and i almost cried!!!!!

i also LOVE Life of the Machine too. it was so twisted and everything <33

if they were to have continued, i would totally love to read it. ^^ i love the art in these set of one shots and the i love each story for they are really different and twisted.
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Not something I'd forget   
Rating: 8.5 / 10.0
by gloomy_gloo
March 15th, 2010, 9:38pm
I agree with MightyMaeve below that this is definitely not for the faint of heart. There's lots of explicit blood and gore, not to mention it is very DARK and psychologically twisted.

I think that there are some yaoi that tries to be psychological but fails; however, this isn't one of them. All of the stories are wonderfully executed and you really get to taste the complicated depth of the human psych. There is no straight-forward happy ending or midway fluff to soften the disturbing level of each story.

I can't admire enough the brilliance of these plots; they are all so original and meaningful, bringing out the dark sides of human nature that is rare in yaoi. It is a perfect mixture of angst, horror, psychology, and romance.

I'd really recommend this to anyone who wants something different and memorable.

... Last updated on March 15th, 2010, 9:39pm
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Psychological and Lush Aestheticism; Dark Fairy Tales   
Rating: 10.0 / 10.0
by MightyMaeve
December 22nd, 2009, 8:46am
This collection is not for the faint of heart, nor is it for those who like happy, cheerful tales.

It most certainly will appeal to those who like to investigate the darker psyche of desires and motivations. It is gory at times, and always absolutely masterfully spun. Motoni-sensei's tales are not strictly yaoi; she uses women in her fantastical tales as well.

The illustrations are crafted with detail and precision; each one is full of beautiful emotion and at times leans toward euro-gore. The dialogue and the illustrations combine to something quite sublime.

The only one shot that doesn't quite match the essence of the rest of the dark tales is 'Bye, Bye, Mizuhara.' It does have a yearning theme to it, and the characters are both rough and real men, but their story certainly doesn't fall in the 'horror' category.

An amazing collection in my estimation.

... Last updated on December 22nd, 2009, 8:47am
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