Zipang

In the year 200X, a Japanese fleet consisting of 3 vessels leave on a mission to South America. After encountering a storm, the ship JDS Mirai find itself without its escorts and in the year 1942, traveling towards the island of Midway to face the American fleet in one of largest battles in naval history. The crew of the Mirai must decide whether or not to change the course of history by involving itself in WWII.