The model has a katana attach to it, but it doesn't have animation. You need to manually enable the mesh "Katana Blade" in the hierarchy to have it on the model.
Installation:
Download the cubedshaders, and vrcsdk if you don't have it. Links are above. (Dynamic bones isn't included)
Import vrcsdk into unity, then cubed shaders package.
Import Lyn unitypackage
Load the scene named OpenMe placed in the folder named Lyn