The apocalyptic world is eroded by bizarre energy, and crises are spreading everywhere. The protagonist accidentally hatches four ancient pterosaurs with different abilities, and thus becomes hunted. She travels with companions from place to place, overcomes hardships to gather the power of all pterosaurs, and uncovers a conspiracy sealed for many years. Humans and pterosaurs fight side by side against the ambitious mastermind behind the scenes, using the power of divine wings to fight against the disaster and strive for a glimmer of rebirth for the shattered world.