The source video is credited as "Storyboards by Yoshiyuki Kaneko", as part of the Annie Awards nominees for Best Storyboarding: https://www.cartoonbrew.com/series/annie-awards-nominees-storyboard-tv-media-226109.html

It looks more like a layout to me so I'm not sure if it's accurate.

Edit: Folks on Discord confirmed that the Netflix credit isn't accurate