Toshihiko Masuda was the storyboard artist for the Blinx series. Both Naoto Oshima and Masuda have shared some of the storyboards on their Twitter.
Sources
TTS Storyboard tweet by Oshima
MOTAS Storyboard tweet by Oshima
MOTAS Storyboard tweet by Masuka
Last updated on 14 Jan 2023