Ep. 36: Kiraran! Let Muse's Thoughts Reach His Heart Nya!

36

Ako is reluctant to fight Mephisto, but the other girls convince her to fight to return his heart to normal. She lands a resounding hit to his heart, which helps him realise who he is and returns him to his normal self. As the Minor Trio takes charge of completing the Melody of Sorrow, it is revealed the name of their true enemy is Noise. (Source: Wikipedia)