Doragon, god of Fate and Dragons, has been waiting for a moment to destroy humanity since it's begining. Now, it's the perfect moment to strike, but his son Icarus, god of Freedom and Birds, can't allow that genocide to happen. His father, knowing that, takes personal care of Icarus, throwing him down to earth at the same time he sends the dragons to earth. Down there, Icarus meets a young girl called Jean, who has sworen to destroy the god who unleashed the apocalypse on humanity.