Actually that hilt looks more like the hilt of a katana than a little ninja sword. Maybe this should be called Samurai in Summer Dress.
Just another practice drawing. The shadow cast on the wall is a background cheat that makes the figure look a bit better than just floating on a sheet of white paper. That brick wall was just some clip art I found on the internet.
Created in Clip Studio Paint Pro on a Surface Pro 4. Here is a timelapse video of the drawing process: