A comet crashes into a Japanese forest and a group of mighty ninjas must fight a group of killer Aliens before they reach their village and kill everyone. A comet crashes into a Japanese forest and a group of mighty ninjas must fight a group of killer Aliens before they reach their village and kill everyone. A comet crashes into a Japanese forest and a group of mighty ninjas must fight a group of killer Aliens before they reach their village and kill everyone. A comet crashes into a Japanese forest and a group of mighty ninjas must fight a group of killer Aliens before they reach their village and kill everyone.