Ep. 23: Leopard completes with the sword while Akiha confronts her grief and enemies.
Shishido elders search for Leopard’s sword after connecting him to the Proxima Crown. Nerval orders Xanthippe to destroy Leopard and Aleida to kidnap Akiha, while Takane protects her. Mourning Imo-chan, Akiha runs away and argues with Leopard, prompting Xanthippe’s arrival. Aleida infiltrates Leopard, but Takane stops the kidnapping. Itsuki rescues Akiha from box people before an Existence attacks. Bou and Min bring Honoka and Fon to Leopard, where Fon grows QT-roses on the Proxima Crown, disabling the Existence and freeing the box people. The elders return with the sword, completing Leopard. Honoka and Itsuki vow to protect Akiha, who activates the sword with a golden gun to disable Xanthippe. The episode ends with a revelation that Imo-chan is alive but with Nerval.
Episodes
- Ep. 19 · Tsutsuji and Benkei face Leopard while Nina's team investigates the underground colony
- Ep. 20 · Akiha Wakes in Box as Honoka's Lifespan Ends and Nami Is Stabbed
- Ep. 21 · Leopard searches for the Sword while Akiha escapes her box before UURE attacks Kirkwood.
- Ep. 22 · Akiha and Itsuki escape Nervalists while Honoka kidnaps Fon and the group rescues traumatized box humans from a disposal factory.
- Ep. 23 · Leopard completes with the sword while Akiha confronts her grief and enemies.
- Ep. 24 · Nerval reveals missile truth while Leopard succumbs to Dark Leopard and declares war on humanity.
- Ep. 25 · Nerval and Nami clash as Akiha discovers her destiny to end the brain colony wars.
- Ep. 26 · Kazane coordinates the assault on Leopard while Kagura confronts Nami and Xanthippe arrives to assist.