Princesses of the Blue Sea is the 3rd game of Anastasia. A side story was released in 2009.
The main character commands a submarine manned by an all-female crew, trying to defeat the enemy.
Story[]
A long lasting war depleted all the resources even the manpower. To break the deadlock, a new submarine called Uldiana is launched. There are only female soldiers on it and Arl, the captain, is one and only man on board...