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

Parallel World Pharmacy (Anime) –

2022 Anime, Seasonal Chart

Light Novel Volume 08, Isekai Yakkyoku Wiki

Isekai Yakkyoku / Parallel World Pharmacy Sez 1 x Ep 1 RoSub

No of Disc 2 Discs (12 Episodes).

Isekai Yakkyoku / Parallel World Pharmacy Vol.1-12 END Anime DVD [Free Gift]

Parallel World Pharmacy: The Complete Season [Blu-ray] : Various, Various: Movies & TV

Parallel World Pharmacy: The Complete Season [Blu-ray]

Parallel World Pharmacy: The Complete Season [Blu-ray

PARALLEL WORLD PHARMACY (VOL.1 - 12 End) ~ English Dubbed Version

Isekai Yakkyoku (Parallel World Pharmacy)

Parallel World Pharmacy: The Complete Season [Blu-ray