Hiyori and Kanami continue escorting Akane, this time, as she meets with her sister onboard a submarine in the Pacific Ocean. From Yukari they learn more about the three separate entities that used to make up the great aradama that used to possess her. Meanwhile, Yukina and Yomi force the Ayanokouji president to make a tough choice.
On the day of the great 
disaster twenty years ago,
،في يوم الكارثة العظيمة قبل عشرين سنة
Am Tag der großen Katastrophe
vor 20 Jahren …
El día del desastre de hace 20 años,
El día del desastre de hace 20 años,
Il y a vingt ans,
lors de la catastrophe,
20 anni fa, il giorno del Grande Disastro,
No dia do grande desastre, há 20 anos,
Двадцать лет назад в день катастрофы