The World S Finest Assassin Music -

The original soundtrack was composed by and covers a wide range of moods across the series. Key Tracks :

: Managed by Glovision , with Masanori Tsuchiya serving as the Sound Director. Where to Listen The World S Finest Assassin Music

: A more melodic and sentimental track, contrasting the darker tone of the opening. The original soundtrack was composed by and covers

: A version of "A Promise" is also sung by the character Dia (voiced by Reina Ueda). Background Score (OST) The World S Finest Assassin Music