The opening sequence of the anime Ascendance of a Bookworm Part 3: Adopted Daughter of an Archduke ( Honzuki no Gekokujou ) underwent a correction following controversy involving the use of artificial intelligence. Wit Studio confirmed the error and remade the initial scenes, removing the AI-generated segments that appeared in the original version.
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According to the statement, the use of generative AI was flawed during production. After the negative feedback, the team decided to manually redo the opening sequence, aligning the result with the artistic style of the work, which is based on the light novel written by Miya Kazuki .
Check out the comparison:

The change became visible in comparisons shared on social media. The previous version featured artificial-looking and less detailed scenery. The new opening sequence, however, showcases redesigned elements with greater visual consistency and fidelity to the series' original style.
No sooner said than done! The opening sequence of Honzuki no Gekokujou (Ascendance of a Bookworm) Season 4 has been corrected, removing the AI-generated backgrounds.
— Sakuga ONE 「作画1️⃣」 (@sakugaone) April 11, 2026
Studio Wit admitted to using generative AI in the opening sequence "by mistake," apologized, and the work has been redone. pic.twitter.com/THghU9wTcW
Furthermore, there are reports that some streaming platforms still show the old version due to contractual issues. However, the trend is that the corrected version will gradually replace the previous material on official services.
Impact on Wit Studio and production
For the Wit studio team, the situation generated rework and pressure in the final stages of production. Even so, the decision to correct the content reinforces their concern for quality and audience reception.
Finally, the case raises discussions about the use of AI in the anime industry, especially in creative stages. Keep following AnimeNews anime and anime seasons
