
Quick answer — Natsu Hyuuga worked on The Apothecary Diaries (Original Story), The Apothecary Diaries Season 2 (Original Story), The Apothecary Diaries Season 3 (Original Story) and 2 more anime.
Natsu Hyuuga worked on The Apothecary Diaries (Original Story), The Apothecary Diaries Season 2 (Original Story), The Apothecary Diaries Season 3 (Original Story), Kusuriya no Hitorigoto 3rd Season Part 2 (Original Story), Kusuriya no Hitorigoto: Bouhi no Hihou (Original Story).