In a world where humanity has lost control of the oceans to the mysterious “Abyssal fleet,” the only hope to counter this threat are a group of girls who possess the spirit of Japanese imperial world war II naval warships. These fleet girls have legendary power but they are lacking in experience and leadership. In the ongoing struggle, many of the fleet girls have been captured by these abyssal monsters! In this epic war for fate of the world only the greatest admiral can overcome the odds, rescue the fleet girls and save the world from the evil Abyssal fleet! Are you ready to take accept this honor, become an admiral and lead the girls into the greatest war the world has ever known?