A group of underachiever elementary school students called the "Losers Class" is on a bus en route to Kamakura for a school trip when a meteorite suddenly hits. When they wake up, they find...Read allA group of underachiever elementary school students called the "Losers Class" is on a bus en route to Kamakura for a school trip when a meteorite suddenly hits. When they wake up, they find themselves in an underwater amusement park.A group of underachiever elementary school students called the "Losers Class" is on a bus en route to Kamakura for a school trip when a meteorite suddenly hits. When they wake up, they find themselves in an underwater amusement park.