Sunday GX's "The Apothecary's Soliloquy" Latest Volume 23 Goes on Sale December 9!

A manga adaptation of the wildly popular harem mystery novel series *The Apothecary’s Musings* by Hinata Natsu, which has sold over 45 million copies in total Volume 23, the latest installment of “The Apothecary’s Musings: Momo’s Harem Mystery Notebook” (Sunday GX Comics), will go on sale on December 9, 2026.

In addition to the standard edition, a special edition featuring a “Postcard Book” set of 13 cards will be released simultaneously!

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“The Apothecary’s Musings: Momo’s Harem Mystery Notebook” Latest Volume 23 Special Edition

The Special Edition of Volume 23 comes with an original “Postcard Book”!
It includes a set of 13 postcards, 4 of which—along with the cover—feature luxurious foil stamping!

More details will be revealed at a later date. Stay tuned for updates!

*The main story content is the same as the standard edition.

Synopsis of the 23rd Installment of the Novel-to-Manga Adaptation, “The Apothecary’s Musings: Momo’s Imperial Palace Mystery Notebook”—Latest Volume 23

After returning to the red-light district, Momo receives a letter from Minshi
telling her to accompany him on a long journey.

Their destination is Seito in the Inu-Nishi Province.

They are there to participate in talks with a foreign nation,
but along the way, they meet up with Ato and Princess Satoki.

It seems that one of the purposes of this journey
is for Ninji to choose a bride…!?
The manga adaptation of the smash-hit novel, Volume 23!

©︎Natsuki Hyuga, Minoro Kurata, and Toko Shino / Shogakukan

When is the release date for the latest volume, Vol. 23, of “The Apothecary’s Musings: Momo’s Harem Mystery Notebook”?

The third season of the TV anime is currently airing! The latest volume, Vol. 23, of *The Apothecary’s Musings: Momo’s Harem Mystery Notebook* (Sunday GX Comics) will be released on Wednesday, December 9, 2026!

月刊サンデーGX
2026年11月号発売中!!https://t.co/VHhhglBot6

●TVアニメ第3期放送中!
表紙＆巻頭カラー&特別付録!
🌿『薬屋のひとりごと～猫猫の後宮謎解き手帳～』
ミニアクリルスタンド

●アニメ第2期放送中!
🛎『ホテル・インヒューマンズ』

●コミックス第2集、発売中!!
🐰『異世界陸上』 pic.twitter.com/nidE5QycOo

— サンデーGX編集部 (@SundayGX) October 18, 2026

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“The Apothecary’s Soliloquy: Momo’s Harem Mystery Notebook” Previous Volume 22 Synopsis (Recap)

Synopsis of the Previous Volume (Details on the Previous Volume, Vol. 22 )

A traveling circus has appeared in the capital at night.
It is said that a “fairy” with white hair and red eyes among them
can read people’s minds, create gold, and make an elixir of immortality.
To verify the rumors, Neko Neko and her brother-in-law, Luo Ban,
headed to the traveling show, but…!?

Meanwhile, a letter arrived for Miao Miao
from Renji, who has begun appearing in public as the Emperor’s younger brother. What does it say…!?

©︎ Natsuki Hyuga, Minoro Kurata, and Toko Shino / Shogakukan

Introduction to “The Apothecary’s Soliloquy: Mao Mao’s Harem Mystery Notebook”

The long-awaited manga adaptation of the smash-hit light novel!

Mao Mao, a young girl who works at a pharmacy, is kidnapped and sold into the harem of a powerful empire.
Mao Mao had decided to keep a low profile until her indentured term ended, but one day she learns that the emperor’s children are dying under suspicious circumstances, one after another.
Using her curiosity, a touch of a sense of justice, and her knowledge as an apothecary, she begins to investigate the mystery—and from that moment on, Mao Mao’s fate takes a dramatic turn…?

The long-awaited manga adaptation of this massive hit, a unique mystery originating from “Naruou,” is here!

©︎Natsuki Hyuga, Minoro Kurata, and Toko Shino/Shogakukan

The 23rd installment of the novel-to-manga adaptation, “The Apothecary’s Musings: Momo’s Harem Mystery Notebook,” Volume 23, goes on sale Wednesday, December 9!

©︎Hinata Natsu, Minoro Kurata, Toko Shino/Shogakukan

Standard Edition Sales Site	[Amazon]Product Page
Special Edition Sales Site	[Amazon] Product Page
Buy the Complete Set	[Amazon]Kindle E-book Bundle
Release Date	December 9, 2026
Author	Original Story: Natsu Hyuga Art: Minoro Kurata Character Design: Toko Shino
Price	Standard Edition: 770 yen (tax included) Special Edition: 2,200 yen (tax included)
ISBN	Standard Edition: 9784091582546 Special Edition: 9784099432492
Information on the Previous Volume	“The Apothecary’s Soliloquy: Momo’s Harem Mystery Notebook” Details on Volume 22
Related Links	Official Website for the TV Anime “The Apothecary’s Musings: Momo’s Harem Mystery Notebook”