
Quick answer — Takahiro Ookawa worked on Malevolent Spirits: Mononogatari Cour 2 (Assistant Director), Malevolent Spirits: Mononogatari (Assistant Director).
Takahiro Ookawa worked on Malevolent Spirits: Mononogatari Cour 2 (Assistant Director), Malevolent Spirits: Mononogatari (Assistant Director).