There once was a time when human voice had brought to life the truths of all things. However, a certain invention drastically changed human history. "Text" Being an exceptional method of relaying information, it immediately became widespread, but it also created "Logos World" in between voice and truth.
Several millenniums later-- The advances in civilization has made Logos World enormous, and caused text to run out of control. Those that could counter that were those with "Creative Voice Power" - the young members of the Creative Voice Club that could draw out the power of truth.
"Akira Kaibuki" was a boy living in Asagaya that encountered text running out of control, and acing the chaos spreading into the real world, he utters the voice of destiny. That being, "Scream, Creative Voice Combination"... When "Aquarion", the one and only existence that can quell Logos World, is born, the curtain rises on a new page in the myths circling around text.
[Source: Anime News Network]