Maria is invited to be a special guest at school. As Hibiki tries to spend some quality time with Maria before her flight back to France, Siren disguises herself as Hibiki and unleashes a Controller Negatone to spread the Melody of Sadness in order to turn the people against her. However, Maria manages to play a melody to bring everyone to their senses, giving Hibiki and Kanade the chance to transform and defeat the Negatone. Afterwards, Hibiki and Maria spend a little more time together, where Maria reveals her wish is to have the whole family perform on stage together. As Maria heads back to France, Hibiki desires to become a top pianist.
響のママがフランスに戻る前に、特別に授業参観に来てくれた。バイオリンを披露したり、一緒にお昼の校内放送をしたり、放課後にはピアノの練習にも付き合ってくれた。そして、響が一番好きな場所に行く。