Chihaya is dying as the I-401 sinks and its life support systems start to fail. Faced with drastic consequences, a tough choice is made.
Recap: Kongou has come to finish off the I-401 for good. After trying to parley, Chihaya and Iona make a desperate dash to escape before she can bear down on them.
Recap: The I-401 makes it to Iwo Jima for repairs. What they find confuses everyone.
The army has come to murder a five year old. The military attack takes its toll as Haruna stands up against a strong assault.
Recap: Haruna awakes to find herself in Makie’s mansion. As the I-401 is getting minor repairs after their battle, they take this opportunity to stay low and investigate the mansion of the man who built mankind’s new weapon.
Recap: Up against two cruisers, the I-401 uses the environment of a broken world to bring about victory.
Recap: The I-401 goes up against the Heavy Cruiser Takao. As tactics are played out, it starts to become clear that she has a trick up her sleeve.
Manga adaptation by Sanzigen Simulcast on Crunchyroll