Himekawa is a guilt-stricken by her failure to protect the citizens as they boarded the Tokyo megafloat.  When a mysterious radio signal is picked up by Atraxia, she leaps at the change to perhaps finally save a civilian.  But when Amaterasu arrives at the source of the signal, they find an enemy from another world, and one deeply connected to Himekawa's past.
Kizuna?
Kizuna, bist du schon fertig?
¿Kizuna?
¿Kizuna?
Kizuna…
Kizuna?
Kizuna?