
Quick answer — Douji Shiki worked on Full Metal Panic? Fumoffu (Original Character Design), Full Metal Panic! The Second Raid (Original Character Design), Full Metal Panic! Invisible Victory (Original Character Design) and 3 more anime.
Douji Shiki worked on Full Metal Panic? Fumoffu (Original Character Design), Full Metal Panic! The Second Raid (Original Character Design), Full Metal Panic! Invisible Victory (Original Character Design), Full Metal Panic! (Original Character Design), Full Metal Panic! The Second Raid: A Relatively Leisurely Day in the Life of a Fleet Captain (Original Character Design), Full Metal Panic! The Second Raid: Zenyasai - Scene 00 (Original Character Design).