The character shown in the mod was ported within possibilities of diesel engine modding, made with znixian's model tool!
Installation: Drop the folder from the archive to your mod_overrides folder, example:

C:\Program Files (x86)\Steam\steamapps\common\PAYDAY 2\assets\mod_overrides

If you don't know how to install mod_override mods, please refer to this guide!
https://wiki.modworkshop.net/books/payday-2/page/installing-mod_override-mods

You'll find Reimu in the outfits tab inside your inventory.

Requirements for this mod in order to work properly:
SuperBLT
BeardLib
Legendary Armour Skins

Enjoy! Masks are NOT supported.