Holy shit! Hatsune Miku!

The loaner is at the end
The unofficial picture on the back was found on the Reddit reddit, below.
https://www.reddit.com/r/AlbedosCreations/comments/s4ncjx/mikugenshin_collab_idk_if_this_goes_here_but_still/
https://www.reddit.com/r/Genshin_Impact/comments/pjytfs/oc_hatsune_miku_in_genshin_impact_collab_fanart/