
Quick answer — Juu Ayakura worked on Spice and Wolf II (Original Character Design), Spice and Wolf (Original Character Design), Spice and Wolf: MERCHANT MEETS THE WISE WOLF (Original Character Design) and 3 more anime.
Juu Ayakura worked on Spice and Wolf II (Original Character Design), Spice and Wolf (Original Character Design), Spice and Wolf: MERCHANT MEETS THE WISE WOLF (Original Character Design), Spice and Wolf II: Wolf and the Amber Melancholy (Original Character Design), Spice and Wolf II Specials (Original Character Design), Ookami to Koushinryou: MERCHANT MEETS THE WISE WOLF 2nd Season (Original Character Design).