Worried about Mio's strength, Minna is unable to convince her to stop going into battles. After Barkhorn visits Chris, she finds a letter addressed to Minna, warning her not to delve in any further. Meanwhile, Perrine's jealousy over Yoshika reaches its peak and she challenges her to an ariel duel, which is soon interrupted by work of a Neuroi. When Yoshika confronts the Neuroi, it turns into a human shape and appears to communicate with her. When Mio arrives Yoshika tries to defend it, but Mio attacks regardless and the Neuroi's retaliation pierces through her shield, dealing critical damage.