Description:
In the depth of galaxy, the Leviathan, a huge spaceship, floats adrift. When wreckstrippers get isnide, they find a diary of a schoolboy, Kazuma, relating the events that happenned in the guts of the ship... While reading it something seems obvious : a survivor from the disaster is hiding somewhere in the maze of the ruins ! Years before, the young Kazuma was in a middle of a schooltrip to Earth. The party comes to an end when unknown explosions destroy a part of the hull of the vessel ! Now the passengers are trapped in the middle of nowhere... The teenager and his friend Fubata then assist to a conversation between their teacher and a maintenance robot : the supplies in oxygen is not enough to make it until help arrives... The only hope for survival is a cryogenic chamber in the heart of the metal giant. However, it wan only contain one person... Unfortunately for the students, the teacher quickly understands that he has been heard. It is the beginning of a bloody fight to keep the secret !