The main themes define the anime's identity and were released during its initial run in late 2021. Artist : Performed by Yui Ninomiya .
and "For You" : Part of the core soundtrack ensemble. The World S Finest Assassin Music
: Managed by Glovision , with Masanori Tsuchiya serving as the Sound Director. Where to Listen The main themes define the anime's identity and
: A signature track reflecting the dual nature of Lugh Tuatha Dé. The World S Finest Assassin Music
"Dark Seeks Light" from The World's Finest Assassin (English Cover)
: Features various OST playlists and unofficial remixes/covers.