Hibiki and Tsubasa work together to defeat Chris, who runs away.  But now Miku has seen Hibiki fighting, and she's very upset that Hibiki's been keeping secrets...
The activation experiment, supposedly a concert 
by Amou Kanade and Kazanari Tsubasa,
تجربة التّفعيل
Das Experiment, das als Konzert von Amou
Kanade und Kazanari Tsubasa getarnt war,
El experimento de activación
El experimento de activación
Lors de l’expérience d’activation
L'esperimento di attivazione,
O experimento de ativação