As Ieyasu becomes possessed by the armor and unleashes her power on the village, Nobunaga asks the other feudal lords for her help in stopping her, with Hideyoshi pushing that they find a way to do it without killing her. Working together, the group combine their attacks to overwhelm Ieyasu, giving Nobunaga the opportunity to break the armor, turning Ieyasu back to normal, albeit with a newfound fondness for Nobunaga.
ついに深紅の甲冑が発動! イエヤスの邪な心を甲冑が取り込み、暴走しはじめる。甲冑を纏ったイエヤスの圧倒的な力の前に、ノブナガたちはなす術がない。この絶体絶命の大ピンチに、今川ヨシモトや武田シンゲン、上杉ケンシンらが駆けつける。ノブナガは、罪なき民のために一緒に戦ってほしいと、皆に頭を下げる。そして戦国乙女たちは、一つになり…!!