A Pharmacist's Monologue：Cumulative sales exceed 38 million copies. The TV anime is also popular, increasing sales by 14 million copies in one year.

It has been revealed that the total number of copies of the popular light novel series "The Apothecary Diaries" by Hinata Natsu, which was born from the novel submission site "Let's Become a Novelist", has exceeded 38 million. The series is also popular as a TV anime, with the total number of copies published as of the end of September 2023, before the first season began, being approximately 24 million, and exceeding 27 million in about one month after the broadcast began in October 2023. By the end of the first season in March 2024, the number had exceeded 33 million, and has not slowed down since then, surpassing 38 million in total in September. This is an increase of approximately 14 million copies in about one year since the TV anime began broadcasting.

"The Apothecary Diaries" is set in the glamorous harem of a certain continent, and follows the story of a poison taster girl named Maomao, who gets caught up in an incident that takes place in the harem, full of conspiracies and rumors, together with a handsome eunuch named Jinshi. Publication began in 2014 with Hero Bunko (Imagine Info) and 15 volumes have been released so far. The comic book adaptations published by Square Enix and Shogakukan are also gaining popularity.

The first season of the TV anime aired on Nippon TV from October 2023 to March 2024. It has also been announced that a second season will be produced and air in 2025.