Beauty of the Land of Rubble -Batlantis-

S1 E5: 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.