 It is 300 years into the future. Earth s environment had been devastated by mankind s own foolish plans and humankind is beleaguered by the sentient forests which they have awoken. The world balance is tipped when a young boy named Agito stumbles across a machine that glowed in a strange blue hue inside a forbidden sanctuary. The machine, which has preserved a beautiful girl named Tula from the past, is activated. Tula has a "mission" that had been entrusted to her by the past ...