Isekai Yakkyoku/Parallel World Pharmacy is listed for 12 episodes according to BD/DVD listings : r/anime

Parallel World Pharmacy: The Complete Season [Blu-ray

Parallel World Pharmacy - The Complete Season - Blu-ray

2022 Anime, Seasonal Chart

2022 Anime, Seasonal Chart

Parallel World Pharmacy: The Complete Season [Blu-ray

Genki Life Magazine 48 - Summer 2022 by Ed Gomez - Issuu

Harem in the Labyrinth of Another World (TV Series 2022) - IMDb

2022 Anime, Seasonal Chart

Isekai Yakkyoku - Episode 1 discussion : r/anime

Parallel World Pharmacy Isekai Yakkyoku Vol 1-9 Comic Manga

Isekai Yakkyoku/Parallel World Pharmacy is listed for 12 episodes

Isekai Yakkyoku - Episode 7 discussion : r/anime

Kadokawa Schedules 'Isekai Yakkyoku' Anime DVD/BD Releases