You might wanna check the Author of the awesome "location" and "pose" mods
that I've been using: Halo's mods.
That katana is totally worth getting, 'coz it's perfect for lightweight melee builds which nobody really use.
(aside from aesthetic purposes)
The name is "Bishu Osafune ju Morikage Katana" which can be downloaded in nexusmods: Bishu Osafune ju Morikage Katana and Tachi.