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[[quoteright:210:https://static.tvtropes.org/pmwiki/pub/images/51PmLAJVVML__SL500_AA300__4689.jpg]]

A 2008 Japanese Film about a very cute college girl, Ami, who seeks vengeance for her slain little brother, with gruesome spectacle. Creator/YoshihiroNishimura did the gore effects for this movie before going on to direct ''Film/TokyoGorePolice''.

A DarkerAndEdgier and DenserAndWackier reboot, titled ''Rise of the Machine Girls'', was released in November, 2019, directed by Yuki Kobayashi and produced by Nishimura, without the involvement of original director/writer Creator/NoboruIguchi.

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!!This film provides examples of:

* AnArmAndALeg: the villains cut off Ami's left arm, inspiring her to replace it with a machine gun, hence the title of the film
* ArmCannon: Ami's machinegun replaces the left forearm the villains amputated.
* BMovie: Deliberately so. Perhaps even a ''C''-movie.
* {{BFG}}: Ami's gatling gun. If only for practical purposes, since it had to be big enough to conceal the actress's forearm.
* BetweenMyLegs: Ami's introduction.
* BloodyHilarious: Pretty much the movie's main draw.
* ChainsawGood: Both Ami and Miki in the final confrontation.
* DefeatMeansFriendship: The only way for Ami to gain Miki's trust is through an arm wrestling challenge in what Miki had defined a "Battle between people who have lost beloved ones". While it's not exactly an official therapeutic procedure, it seems to work.
* ExploitationFilm: definitely not high art, that's for sure.
* GatlingGood Ami's ArmCannon is actually a Gatling gun.
* {{Gorn}}: And how!
* HighPressureBlood: So much so that it makes one wonder how those who aren't killed instantly manage to do anything else.
* LovelyAngels: Ami and Miki.
* OverdrawnAtTheBloodBank: Enough blood is shed in this move to supply the Red Cross for 10 years.
* RoaringRampageOfRevenge: First they killed Ami's brother, then they cut off her hand. Now they're going to pay!
* RuleOfCool: the only thing that could possibly justifying all of the bloody silliness. For instance, Ami's Gatling gun, which somehow works despite having no visible ammunition supply.
* SailorFuku: Ami dons a schoolgirl's uniform for pretty much the whole movie for no good reason since she's supposedly a college student.
* SequelHook: Albeit one that was never elaborated on. There was a sequel, but it was InNameOnly.
* TrainingMontage: provided with also some shots of the [[GatlingGood weapon under construction]] which will later be used by Ami
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