Noah of the Blood Sea, 1

A luxury cruise ship packed with people begins its journey. On board are Akari, his little brother Yuzuru and his father. Also Kakeru, a Japanese university student, who is with a group of friends. An elderly couple hopes to enjoy their last trip together, while a child tries not to get bored "putting up" with his parents. They are just some of the passengers who ignore the hell that awaits them in that apparent paradise while sailing through calm waters...