Tateyama Joint Forces!.The Valkyrie who helped the 909th is introduced as an old friend of Miyako, Azuzu, and Sonoka's named Yayoi Amatsuka, who is accompanied by her own squad. At the base's bathhouse, Amatsuka reveals that they are at the base due to a counteroffensive against the Fuji Primary Pillar. Afterwards, Azuzu and Claudia leave to meet Odin. When a skeptical Azuzu confronts him, he assures her that the Fuji Primary Pillar will become inactive, leaving it vulnerable to attack. He then tells her what her glaring flaws are as a Valkyrie. When Claudia asks him about her transfer to Japan, Odin confirms that a replacement for Sakura was needed...