It all began ten years ago. D2s attacking Boston, a blood-soaked concert hall: The incident known as the Boston Tragedy. The conductor who lost his life in that tragedy was none other than Kenji Asahina, Takt's father. After losing his father, the boy decides to devote himself to playing the piano and he lets his rage play through his melodies. The one who took care of him was a girl named Cosette, who looked just like Destiny.
Music is a poison far too 
potent for our current world.
الموسيقى هي سمّ فعّال جدّاً بالنسبة لعالمنا الحالي
Für unsere Welt, wie sie aktuell ist,
ist die Musik ein zu machtvolles Instrument.
La música es demasiado fuerte
para este mundo.
La música es demasiado poderosa
para este mundo.
La musique est bien trop dévastatrice
pour le monde actuel…
Attualmente...
A música é um veneno forte
demais para o nosso mundo atual.
Ныне музыка — страшный яд,
 которому под силу уничтожить…