Aoki Hagane no Arpeggio: Ars Nova Temporada 1 Episódio 10

I-401 has been hit with two corrosive torpedoes in an ambush by Ionas sister ships, I-400 and I-402. 401s repair programs are impaired by a special program that had been brought in by the torpedoes. As 401 sinks and Gunzou weakens from his injuries, Iona is forced to make a choice...