All materials in these colors have this issue. On top of that, many of the sprites don't align properly when sliced by 96x64—for example, even when setting the pivot to 'Bottom Center' for the walk animation, the frames are completely misaligned.
Viewing post in Pixel Art Samurai Character - 2D Sidescroller comments
Thats weird, did you edit the sheets? Because if you download the zip and open the file there is no error
https://imgur.com/a/oDLCluF