Project Arms: Nice New Rattle New - DVD

High school students Ryo, Hayato, and Takeshi all possess "ARMS": their limbs have been infected with sophisticated nano-machines composed of "sentient metal" that transforms human flesh into powerful, metamorphic weapons. The mysterious Egrigori want the threesome, and they commission the brilliant, deranged twins Al and Jeff to capture them. (Rated 16 and older: considerable violence and profanity)