Ep. 3: Akira joins Junki's class while an invisible enemy attacks as Junki struggles to summon Reideen.

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Akira Midorino transfers to Junki's class, initially drawing his interest. However, Junki feels sorrow upon learning her school change relates to the Miyanobe Village incident. Simultaneously, an invisible enemy arrives, causing widespread destruction. Junki attempts to summon Reideen, but mental images of Akira and the previous battle prevent him from fading in with the golden titan. In contrast, the new adversary attacks without hesitation, leaving Junki unable to respond effectively to the threat.