Knowing that the world is about to end, Kadode arranges to meet with her former teacher, Watarase. Oba encounters an invader and questions them about the current situation on the mothership. Additionally, the Occultism Club goes on a summer camp trip.
Ocean can become a
completely independent defense city.
Ocean puede convertirse
en una ciudad defensiva independiente.
Ocean puede convertirse
en una ciudad defensiva independiente.
L’Océan est une forteresse autonome
parfaitement sûre.
l'Ocean è una perfetta roccaforte
 sicura e autosufficiente.