Let's discuss everything Nioh 2 modding (SFW) related here
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Nioh 2 Mod Enabler 1.1 (Update!)
Installation:
Extract the contents of 7z folder into the game directory (where nioh2.exe is located)
Keys:
F1: Show help
F2: Toggle mods off and on
Shift+F2: Cycle mod shadow modes (on/off/original)
So I've been messing around with the Shinobi leggings and I ended up with this thing:
Basically removed the side flaps and tightened the pants around the crotch area to avoid seeing the invisible crotch.
It's not great but I guess it's alright for my first time dabbling in Blender. Great job on that tutorial video.
ShinobiLeggingsRemoveFlaps.rar
Edit: Looks like I had the same idea as @GrandMoffBarkin