Ep. 17: Maya shares data as Kyouhei reports Yoki's sacrifice while Tsubaki's identity is revealed and Canon triggers the Fenrir System.
Aired on November 1, 2004

Maya provides research data to Fumihiko, and Kyouhei reveals that Yoki sacrificed himself to destroy the Festums in the laboratory. Tsubaki, currently at the Alvis base, is identified as Soushi's younger sister. Michio is ordered to leave the island, whereas Canon is asked to remain. Yukie positions a submarine near the island and initiates the Fenrir System self-activation sequence. Upon realizing this, Michio warns the base of the impending danger. Kyouhei tries to disable the sequence, but Canon overrides the system. Michio handles the missiles launched by the fleet. Kazuki, having been released from probation, confronts Canon and successfully convinces her to disarm the sequence.
Episodes
- Ep. 13 · Mitsuhiro explains Japan's destruction and Festum genocide while Hester unveils a new weapon.
- Ep. 14 · Maya and Kyouhei rescue Kazuki while Neo UN invades Alvis base for the Festum core.
- Ep. 15 · Kazuki confronts Idun in a lava pit while reflecting on his past trauma and crystal implants.
- Ep. 16 · Neo UN fleet secures Alvis base while Seri and Tsubaki reunite before a Festum attack.
- Ep. 17 · Maya shares data as Kyouhei reports Yoki's sacrifice while Tsubaki's identity is revealed and Canon triggers the Fenrir System.
- Ep. 18 · Michio and Canon settle in while Mitsuhiro challenges Maya's falsified test results in custody trial
- Ep. 19 · Maya trains as a sniper while pilots face a Festum attack during a bone festival notice.
- Ep. 20 · Lantern preparations begin as Canon and Sakura reconcile after the alien invasion.
- Ep. 21 · Sakura pilots relax before weekend training while Fumihiko suspects alien diversion