From the article:
The popular Spice and Wolf anime character Holo will make her VTuber debut on April 3, 2024, on the TOHO Animation Channel (YouTube) and the Spice and Wolf anime official TikTok.
new videos released every Wednesday
I couldn’t figure out whether the anime VA will also be doing the VTuber duties, or if they have somebody else performing as VTuber Holo. Finally, here is the preview image for her avatar:
I think there’s been a couple but the only one I was able to extract from my brain was Uzaki-chan: Link