
Quick answer — Kazuya Ishiguri worked on MASHLE: Sanma Taisou Shinkakusha Saishuu Shiken-hen (Assistant Director), Private Tutor to the Duke's Daughter (Assistant Director), Vampire Dormitory (Assistant Director).
Kazuya Ishiguri worked on MASHLE: Sanma Taisou Shinkakusha Saishuu Shiken-hen (Assistant Director), Private Tutor to the Duke's Daughter (Assistant Director), Vampire Dormitory (Assistant Director).