Ep. 2: Gunzou faces Takao while navigating toward Yokosuka with his new command
Aired on October 15, 2013

Having accepted a mission from the Japanese government, Gunzou assumes the role of captain aboard I-401 and sets a course for Yokosuka. His path is obstructed by Takao, a Fleet of Fog Heavy Cruiser who actively opposes his progress. As the engagement continues, Takao systematically destroys I-401's decoys and poses a direct threat to the submarine itself. Recognizing the escalating danger and the futility of evasion, Gunzou determines that a direct confrontation is unavoidable. He prepares for a decisive showdown to resolve the conflict with the opposing cruiser and ensure the safe completion of his assigned objectives.
Episodes
- Ep. 1 · Rising seas and the Fleet of Fog dominate the high seas in the mid-21st century
- Ep. 2 · Gunzou faces Takao while navigating toward Yokosuka with his new command
- Ep. 3 · I-401 arrives at Yokosuka to retrieve a secret warhead amid political pressure and sudden attacks
- Ep. 4 · I-401 Evades Yokosuka Assault by Kirishima and Haruna
- Ep. 5 · Haruna and Kirishima investigate Makie Osakabe and the Vibration Warhead at Iwo Jima
- Ep. 6 · Haruna protects Makie with Kirishima's aid while Iona arrives and Takao awakens.