The eighth tankoubon volume of Ito Natsumi’s Kimi wa Nazotoki no Macherie (きみは謎解きのマシェリ/ My Dear Detective: Mitsuko’s Case Files) manga has revealed that the manga will end with the release of its ninth volume. The manga’s eighth volume was released on May 29th, 2025.

Kimi wa Nazotoki no Macherie Manga cover 8

Ito started the manga in May 2021 in Futabasha’s Manga Action magazine, and the manga moved to Futabasha’s Web Action manga website in October 2024. Futabasha published the manga’s first volume in October 2021.

Kimi wa Nazotoki no Macherie Manga cover 1

Seven Seas Entertainment releases the manga in English under the name My Dear Detective: Mitsuko’s Case Files, and it will release the manga’s third volume in print on June 10th, 2025 and the fourth volume on October 14th, 2025. Seven Seas Entertainment describes the story below:

“Get ready to solve the case with Japan’s first woman detective and her assistant in this Showa-era manga!

Hoshino Mitsuko is a determined and hard-working woman living in the 1930s, where career women are a rarity and looked down upon. Despite rampant sexism and pressure to “stay home,” she’s determined to prove herself as a successful detective no matter what. One day, she’s approached by the handsome waiter Yoshida Saku, who presents Mitsuko with her very first solo case. Together, the two work closely to solve the mystery, and Mitsuko finds Saku quite capable—but very curious—and takes him on as her new assistant. Can this duo tackle cases and the turbulent atmosphere of the Showa era?”