The fourth season of the Ascendance of a Bookworm anime, produced by WIT Studio, premiered on April 4 this year, though to an unexpectedly rocky start. The long-running series was faced with serious backlash after the reveal of the animated opening sequence, which viewers suspected featured AI-generated assets. In response to the criticism, WIT Studio posted an official announcement on April 10, in which it states that upon investigation into the opening’s production process, it confirmed that generative AI was involved. Consequently, the opening sequence recently published on YouTube has been removed from the platform. ……



Gankutsuo, if that’s the one you’re talking about, was also a very early (possibly the first) use of the technique. I can forgive a pioneering show for getting things wrong. Its successors aren’t always as easy to forgive.
Much worse than messed-up clothing textures is the occasional show that puts a texture over the entire picture (the most blatant example I’ve ever seen used a watercolour paper type one, but damned if I can remember the name of the show), but binds it to the viewport rather than the background, so that when the camera pans or zooms, the texture moves with it and completely destroys the impression I think they were aiming for.