| My Dear Detective: Mitsuko's Case Files | |
 First tankōbon volume cover | |
| きみは謎解きのマシェリ (Kimi wa Nazotoki no Masheri) | |
|---|---|
| Genre | |
| Manga | |
| Written by | Natsumi Ito |
| Published by | Futabasha |
| English publisher |
|
| Imprint | Action Comics |
| Magazine |
|
| Original run | May 18, 2021 – present |
| Volumes | 8 |
My Dear Detective: Mitsuko's Case Files (きみは謎解きのマシェリ, Kimi wa Nazotoki no Masheri) is a Japanese manga series written and illustrated by Natsumi Ito. It began serialization on Futabasha's seinen manga magazine Manga Action in May 2021.
Written and illustrated by Natsumi Ito, My Dear Detective: Mitsuko's Case Files began serialization on Futabasha's seinen manga magazine Manga Action on May 18, 2021.[1] The series ended serialization in Manga Action on May 21, 2024, and was transferred to the Web Comic Action website resuming on October 18, 2024.[2][3] Its chapters have been compiled into eight tankōbon volumes as of May 2025.[4] The series is set to end with the release of its ninth volume.[5]
During their panel at Anime Expo 2022, KiraKira Media announced that they added the series to their Azuki website and app.[6] On May 15, 2024, Seven Seas Entertainment announced that they would begin to release volumes of the series in October 2024.[7]
| No. | Original release date | Original ISBN | English release date | English ISBN |
|---|---|---|---|---|
| 1 | October 28, 2021[8] | 978-4-575-85650-7 | October 8, 2024[9] | 979-8-89160-256-4 |
| 2 | March 28, 2022[10] | 978-4-575-85704-7 | February 4, 2025[11] | 979-8-89160-744-6 |
| 3 | September 28, 2022[12] | 978-4-575-85764-1 | June 10, 2025[13] | 979-8-89160-755-2 |
| 4 | March 28, 2023[14] | 978-4-575-85826-6 | October 14, 2025[15] | 979-8-89160-758-3 |
| 5 | September 28, 2023[16] | 978-4-575-85894-5 | February 17, 2026[17] | 979-8-89373-685-4 |
| 6 | March 28, 2024[18] | 978-4-575-85950-8 | — | — |
| 7 | November 28, 2024[19] | 978-4-575-86029-0 | — | — |
| 8 | May 29, 2025[4] | 978-4-575-86096-2 | — | — |
MyAnimeList users recommended the series in 2023 for its unique story and art.[20]
