The World S Finest Assassin Music 【Real × WORKFLOW】

You can find the official tracks and various covers across major music platforms: : Available on Spotify and YouTube Music .

: Features various OST playlists and unofficial remixes/covers.

The main themes define the anime's identity and were released during its initial run in late 2021. Artist : Performed by Yui Ninomiya . The World S Finest Assassin Music

: A signature track reflecting the dual nature of Lugh Tuatha Dé.

: A fast-paced, high-tension J-pop track that mirrors the protagonist's cold efficiency and inner search for meaning. You can find the official tracks and various

: A version of "A Promise" is also sung by the character Dia (voiced by Reina Ueda). Background Score (OST)

: Managed by Glovision , with Masanori Tsuchiya serving as the Sound Director. Where to Listen Artist : Performed by Yui Ninomiya

: A more melodic and sentimental track, contrasting the darker tone of the opening.