
Quick answer — Satsuki Hayasaka worked on From Old Country Bumpkin to Master Swordsman (Character Design), From Old Country Bumpkin to Master Swordsman II (Character Design), Yatogame-chan Kansatsu Nikki (Character Design).
Satsuki Hayasaka worked on From Old Country Bumpkin to Master Swordsman (Character Design), From Old Country Bumpkin to Master Swordsman II (Character Design), Yatogame-chan Kansatsu Nikki (Character Design).