
"Arpeggio of Blue Steel -Ars Nova Cadenza-" was released as a continuation of the Arpeggio of Blue Steel anime series, building upon the story of the Blue Steel privateers and their clashes with the enigmatic Fleet of Fog. Upon its initial release, the film garnered mixed to positive responses; fans appreciated the high-quality animation, the return of beloved characters like Gunzou Chihaya (voiced by Kazuyuki Okitsu) and Iona (voiced by Mai Fuchigami), and the deeper exploration of the series' lore, particularly concerning the origins of the war and Iona's past. Critics praised the film's intense naval battles and character development, although some noted that the complex plot might feel dense for newcomers.
Over time, "Arpeggio of Blue Steel -Ars Nova Cadenza-" has grown in stature among fans of the franchise and naval sci-fi/anime enthusiasts. It is now often regarded as an underrated gem in the genre, celebrated for its unique blend of tactical naval warfare and science fiction elements, as well as its compelling character dynamics. While it may not have reached mainstream blockbuster status, the film enjoys a dedicated following that appreciates its detailed world-building and emotional depth, distinguishing it from many contemporaries and elevating its reputation as a cult classic within its niche audience.