Attack on Titan Studio to Redraw Opening of Latest Anime Series After Investigation Reveals Gen AI Usage, Apologizes to

Wit Studio has apologized after confirming fan suspicions that generative AI was used in the opening of Season 4 of its latest anime, Ascendance of a Bookworm. The studio, known for popular shows including Spy x Family and Attack on Titan (Seasons 1-3), has announced that future episodes of Ascendance of a Bookworm will feature a redrawn opening with the gen AI elements removed. Based on Miya Kazuki’s light novel series about a trainee librarian reincarnated in a magical world, Season 4 of Ascendance of a Bookworm hit Japanese TV screens on April 4. However, eagle-eyed viewers were quick to claim that the isekai fantasy anime’s opening showed telltale signs of generative AI use, sharing their observations on Reddit and Twitter/X. AI generated backgrounds in the opening of the new Ascendance of a Bookworm season. Very unfortunate. https://t.co/rbjknegFhr pic.twitter.com/V9CD6KIiMM Today, Wit Studio issued an official statement addressing the matter. After conducting an internal investigation, the studio determined that gen AI was indeed used to create the assets for the background art in a portion of the anime’s opening. Wit announced that it will redraw the backgrounds of the affec

Apr 10, 2026 → Apr 10, 2026