Figure 17: Tsubasa & Hikaru

In a future where humanity is threatened by mysterious alien invaders known as the "Imperial," Hikaru lies dormant in a cryogenic sleep, unaware of the impending danger. Her twin sister, Tsubasa, works tirelessly as a soldier in the elite "Figure 17" mecha unit, piloting a powerful transforming mecha called the "Zero-Eternity." When the Imperial forces launch a devastating assault, Tsubasa must awaken her sister and train her to pilot a second mecha, as their combined might is the only hope for humanity's survival.

Figure 17: Tsubasa & Hikari received a generally positive reception from fans of mecha and science fiction anime. It is often praised for its emotional depth, character development, and unique take on the genre, though some critics noted pacing issues and a less compelling antagonist design.

• Praised for its strong emotional core and the relationship between the twin sisters.
• Appreciated for its innovative mecha designs and action sequences.
• Some viewers found the plot progression a bit slow in parts, but the overall narrative was engaging.

Google audience: Audience reviews often highlight the compelling sisterly bond as the show's strongest aspect, with many appreciating the blend of intense mecha combat and poignant character moments. Some viewers found the story to be emotionally resonant and well-crafted.

The series was originally conceived as a way to explore themes of loss, sacrifice, and the bonds of family within the context of a high-stakes sci-fi conflict, aiming for a more character-driven mecha narrative than typical for the era.