The World S Finest Assassin Music May 2026

: Theme singles can be found through retailers like Yumeya Club or on Apple Music .

: Features various OST playlists and unofficial remixes/covers.

and "Reincarnated Beat" : Instrumental pieces used during critical transition scenes. "Time with Dia" : A softer, character-focused theme. The World S Finest Assassin Music

and "For You" : Part of the core soundtrack ensemble.

You can find the official tracks and various covers across major music platforms: : Available on Spotify and YouTube Music . : Theme singles can be found through retailers

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

: A signature track reflecting the dual nature of Lugh Tuatha Dé. "Time with Dia" : A softer, character-focused theme

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