The narrator delivers essential exposition throughout the series, primarily providing background information crucial to understanding the central conflict. In the opening episode, this narration explains the origins of the Celestial Guardian Lanancuras, his imprisonment within a meteorite by fellow guardians, and the meteor's subsequent impact on Earth. It details how this event unleashed a DNA virus, humanity's creation of the Enterrans as a countermeasure, and the resulting war that nearly eradicated humans. The narration explicitly covers Dr. Daigo Tatsuro placing his daughter Yakumo into suspended animation for survival and her mission to find Shinzo centuries later.

During the second season, the narrator clarifies the altered timeline resulting from Rusephine's actions, highlighting key differences like the absence of the Human-Enterran war and the peaceful coexistence between species. It further explains the Kadrians' ongoing efforts to free Lanancuras and Yakumo's role in weakening his prison through her powers. The narration bridges temporal shifts, particularly when characters travel between timelines, ensuring audience comprehension of causal events.

The narrator remains an omniscient, disembodied voice without personal involvement in the plot. Its function is strictly informational, conveying lore, character motivations, and world-building details not explicitly shown through dialogue or action, including the significance of EnCards, Hyper transformations, and Mushrambo's various forms. No personal characteristics, development, or backstory for the narrator exist within the series or related media.