Gyo: Tokyo Fish Attack!

The country is being invaded by ferocious fish with sharp metal legs, hell-bent on death and destruction! Amidst the carnage, Kaori embarks on a desperate quest to find her missing boyfriend before he is lost to the mayhem that is sweeping the land. Facing four-legged killer sharks, machine-driven squid, and the myriad dangers of Tokyo, now an urban war zone, Kaori must find the truth behind these mechanical monsters and face an evil greater than she ever could have imagined.