Last Waltz ~Summer camp, hidden in the mist~ / Last Waltz: Hakudaku Mamire no Natsu Gasshuku

This was supposed to be an ordinary summer camp... Yuki is the manager of the baseball team and together with its members she arrives at a private island for an unusual training camp. Shortly after arrival, a civil war brews in the country and so most of the men decide to leave the island to find out what happened. They never came back. The girls soon learned that their ship had been destroyed. They were left alone on the island. Food and water begin to run out... The remaining guys began to lose their composure...