The Apothecary Diaries is a Japanese anime television series based on the light novel series The Apothecary Diaries, written by Hyūganatsu, and illustrated by Touko Shino. Produced by Toho Animation Studio and OLM, the anime series is directed and written by Norihiro Naganuma, with Akinori Fudesaka serving as assistant director for the first season, and later replacing Norihiro as director of the second season. Yukiko Nakatani designed the characters, while Satoru Kōsaki, Kevin Penkin, and Alisa Okehazama all composed the music. The two consecutive-cours first season ran from October 22, 2023, to March 24, 2024 on Nippon TV and its affiliates. The first opening theme song is "Hana ni Natte" , performed by Ryokuoushoku Shakai, while the first ending theme song is "Aikotoba" , performed by Aina the End. The second opening theme song is "Ambivalent" (アンビバレント), performed by Uru, while the second ending theme song is "Ai wa Kusuri" , performed by Wacci.