The World S Finest Assassin Music -

: Features various OST playlists and unofficial remixes/covers.

: Theme singles can be found through retailers like Yumeya Club or on Apple Music . The World S Finest Assassin Music

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