The fourth costume and first Live2D model of Veibae, as seen in post #4375776, debuting in April 2021. Adopting a succubus appearance, this costume went through several design changes before arriving in its final form (firstly as post #4115862 and secondly as post #4154079). It's illustrated by Neonbeat and rigged by Keffiy, with its 3D model being made by TheArtgun (post #4496441).
Going for a succubus maid appearance, she wears a black & white short frilled dress, black & white gloves, black & white thighhighs and black and white ankle boots.
This tag implicates vei_(vtuber) (learn more).