Sipnosis: Students from Yoshinomiya's municipal secondary school embarked on what they hoped would be an educational trip with their friends and away from home, but it was not intended to be...
Su barco was sunk by unwelcomed seas and stranded on an unusual island!
The survivors are trying to figure out what happened, but they soon realize they aren't alone on this island, and the places don't appear to be very welcoming to outsiders!