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From Kirei Cake:

Alice is a senior high-school student who lives with an uncle that spends his time tormenting her everyday. One day, Alice witnesses the death of her uncle by the hands of an assassin called "Kumo" (Japanese for Arachnid). She then falls unconscious, and upon waking up, she finds out that she's in Kumo's house... Now, this Alice who no longer has any family and is being raised by the assassin herself.


Related Series
Caterpillar (Side Story)
Six Girls (?) in a Hot Spring (Side Story)

Associated Names
Arachnid มือสังหารสายพันธุ์แมงมุม

Groups Scanlating

Latest Release(s)
v.14 c.Epilogue (end) by Kirei Cake 3 months ago
v.14 c.72 by Kirei Cake 4 months ago
v.14 c.71 by Kirei Cake 4 months ago
Search for all releases of this series

Status in Country of Origin
14 Volumes (Complete)

Completely Scanlated?

Anime Start/End Chapter

User Reviews


User Rating
Average: 7.4 / 10.0 (370 votes)
Bayesian Average: 7.34 / 10.0
 21% (79 votes)
 14% (50 votes)
 20% (73 votes)
 15% (56 votes)
 12% (43 votes)
 5% (18 votes)
 5% (20 votes)
 3% (11 votes)
 2% (6 votes)
 4% (14 votes)

Last Updated
January 13th 2018, 11:03pm PST



Category Recommendations





Original Publisher

Serialized In (magazine)
Gangan Joker (Square Enix)

Licensed (in English)

English Publisher

Activity Stats (vs. other series)
Weekly Pos #431 increased(+100)
Monthly Pos #618 increased(+43)
3 Month Pos #802 decreased(-468)
6 Month Pos #385 increased(+175)
Year Pos #683 increased(+306)

List Stats
On 2314 reading lists
On 797 wish lists
On 305 completed lists
On 114 unfinished lists
On 353 custom lists

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Forum Posts
I Need Some Clarification... over 3 years ago

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User Comments [ Order by time added ]

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Stay in School Kids... Stay in School...   
Rating: 5.0 / 10.0
by Lost Rabbit
November 28th, 2014, 8:17pm
The beginning held a "promising" set up, as our high-school girl protagonist enters the dark, illegal underworld of assassins. Although she's become one of them, she refuses to join their organization, thus sparking a big competition for pro assassins to go after her head.

Now bear with me... You have no living relatives, no friends, no money, no roof over your head, no valuables to sell, and barely any food/water left. All you have is a special weapon for performing assassinations, the skills to use said weapon, and a bounty over your head that has assassins coming to kill you in the future. If you were in this situation, would YOU go back to high school the next day, not worrying about your current situation? Well, that's what the protagonist does.
Maybe she did it to "blend in" with the other students, as after all, it is a public place.

However, the series has currently become a cluster-fuck of numerous shounen-style battles, one after another, that are all taking place in her high school during the day.
Spoiler (mouse over to view)
Even when she's given the opportunity to leave the damn high school and prevent the assassins from going after her, she refuses because she's worried that one of her friends is still in the school. [Sigh...]

Take something like Darwin's Game or Underdog, both about a protagonist that must learn "to kill or be killed" as part of a deadly game he gets stuck in, making anywhere he goes in Japan unsafe to tread. That gives the opportunity for the protagonist to meet +interact with all sorts of new friends and foes in different kinds of environments.
Arachnid though can't seem to stop clinging to its incredibly standard high school setting, having each and every battle take place in either an empty classroom, an empty nurses office, an empty hallway, an empty pool area, etc. And remember, this all takes place during the damn school day...

I'll admit, I do like some of the things the series does, where it has a female lead, insect/arachnid-themed powers, and several of the character designs that seem pretty interesting. Still, I would certainly not call it a seinen, given how poorly the characters develop, the ridiculous number of battles that seem to act like that of any other action-based shounen series, and the incredibly preposterous ways the characters manage to overcome the odds against them in a fight...

... Last updated on November 28th, 2014, 8:24pm
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retarded but okay   
Rating: N/A
by Aikanaro
June 12th, 2012, 5:29am
I thought it was dumb from the beginning, so I don't have the disappointed expectations that other people here have. It's fine if you realise that the whole premise of a spider-themed child assassin whose special power is magical-autism is stupid and take it from there. It's not good, but it's entertaining enough.

What I don't like though is the rape/sexual abuse fanservice. It's creepy.
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Lost potential   
Rating: 4.0 / 10.0
by imercenary
June 7th, 2012, 5:25am
Theres not much to say here. The story starts off great with child abuse, murder/hitmen/assassination and the seedy child usage of the underworld.

And then throws the main character into a cliche high school setting shounen style. Instead of being an ultra-rare, ultra-awesome child fighter/assassin, its revealed that there are countless other ultra-rare, ultra-awesome child fighters/assassins yet they live perfectly normal lives within human society... in high school of course.

The story gets progressively typical from there. Theres the manipulative president (who has superpowers of course), the jock with a deranged sense of justice (who has superpowers of course) and the over-the-top pure maiden who has to be protected by the main character.
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Rating: N/A
by Uthred
October 19th, 2013, 9:39am
Have to agree witht he poster below who said that its a bit silly but entertaining and that its marred by all the rape/sexual abuse stuff. Someone is nearly gang raped or implied to have been gang raped in every volume generally for no narrative purpose whatsoever
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Love it   
Rating: 10.0 / 10.0
by shilyte
April 2nd, 2013, 4:01pm
this manga is simple. simple plot simple characters simply great. sometimes you just wanna read something that doesn't require logic or deep thoughts. that's why i love this manga. i like bloody, gory, implausible mangas like these. after death note and a few others that left me feeling like i missed the point because of all the insane illogical basic rambling, this was a refreshing change. who'd have thought learning about insects could be this entertaining and easy to understand outside of the discovery channel. it's like reading about some violent insect kingdom except all the insects are in the shape of people. FUN STUFF at least for me
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Kinda fun.   
Rating: 7.0 / 10.0
by GoldenKaos
October 10th, 2014, 2:04pm
As far as badly written, relying-on-gore-and-fanservice with-psychotic-characters seinen manga go, this one's actually pretty good. By good I mean enjoyable of course, the outlandish insect-based powers these assassins come up with and the OTT action/deaths and damn weird nutjobs kept me entertained enough despite the fact that the plot and characters are pretty shallow. Or perhaps that's the point, many of the best action movies have bare bones plot and characters, so I just think this is a great stab-smash-kill fest.

Also many, many Worf Effect moments. TvTropes - "Want a quick way to show how dangerous one of your unknown characters is? Simple, make him do well or win in a fight with a character that the audience already knows is tough." So many of these that it gets amusing when they do it the next time. And how!

Many will dislike this and that's fine, it's not for everyone, the plot and character development is basic at best, bad at worst. And it earns its seinen tag. But for me I think this is just pulpy fun.
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really really like!   
Rating: 9.0 / 10.0
by cobalt_rain
July 26th, 2011, 10:42pm
please oh please let there be a romance between the chick and the assasin! i really love the dark violent story right now. i sincerly hope that this manga doesn't go mainstream battle manga because i like the seinen undertones. main character is cute and cool but i would prefer her not to be a psycho killer though, i want her to keep her humanity and compassion if its possible. the main guy, kumo, is the no nonsense, no friends, intellectual, coldblooded type. can she win his icy heart over? i sure hope so......... even though that deffinitly wont be the main point of this manga at all. if anything it will be the psuchological journey of an assasin plus some graphic violent sceens. love it! art gets a seven though......
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Ohmygosh! So much potential!   
Rating: 10.0 / 10.0
by ChocoKun
July 26th, 2011, 7:54pm
Definitely recommend this! Only 3 chapters out right now so can't really say much. But from what I read she's definitely a genius!

Spoiler (mouse over to view)
Learning how to use such a powerful weapon in only 15 days! And not to mention romance....... kukukuku kekekeke muahahahaha! I hope its between her and the assassin san cause he is hot ~
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If you want something weird, this could be it.   
Rating: N/A
by Dright
March 15th, 2013, 2:36pm
Since I'm bored of the typical character types present in most manga, I was glad to find this manga.

It's not great from the point of view that it follows the typical shounen battle manga cliches as some have pointed out, however despite the predictable plot it has so far shown a lot of fun characters.

Now the real reason I wrote this comment: The student council head looks like Alyosha from
Paticularly the hair (notice how the bangs cross in the middle). She's not a character you meet right away though so don't skip ahead! =D
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Wasted potential   
Rating: N/A
by Pebble_
May 30th, 2012, 7:47pm
The beginning was very promising. Dark atmosphere, killers, apprentice surpassing her master, etc.
But then it steadily became more and more pointless fanservice and clichee. The 'roach' and the 'grasshopper' are gross clichee-characters with no real substance, there are no killings anymore (very inconsistent with the atmosphere in the beginning), no real dark ambience...
In a nutshell, this manga is headed towards crap ending at full speed. What a waste...
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