Xiao is something like the Witcher in Genshin Impact: the character is a real badass and adept, whose goal is to protect Teyvat from demonic forces and evil deities.
i recently made a strip club in my game and wanted a playboy bunny-esque theme for it. I'd seen this MMD set and decided to convert a few of the items (the bunny ear found in hats, the bowtie found in necklaces, and the cuff links found in left bracelet in CAS).