Noboru, Sango and Minato are three friends who are traveling in a cruise ship in their summer holidays in the year of 2016. However, a lightling hits the cruise and Noboru is thrown into the water. Then the cruise disappears and a man wearing a weird outfit appears: that's Sharaku, the captain of an English ship who saves Noboru but, according to Sharaku, they are in the year of 1804, during the time of the Napoleonic Wars. Has Noboru traveled back in time? An ocean action-adventure story where Noboru Tokisaka, a high school student who has traveled through time to the year 1804, encounters the phenomenon research ship Red Queen.