With the squad still feeling the aftershocks of the previous mission, things come to a head as the leaders run out of patience and decide to summon Strelizia back to the front lines.

The fierce battle to take the Grand Crevasse begins, and Hiro is forced to watch from the sidelines. Zero Two may have left, but Squad 13 is still concerned about the way she fights.

The gang heads off to space to fight in what they believe to be the final battle. Meanwhile, Kokoro and Mitsuru stay behind to fight a battle of their own.