| name = Mysterious Old Man
| image = Mysterious Old Man Profile.jpg
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| name = Mysterious man with sunglasses
| image = Mysterious man with sunglasses Profile.jpg
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* [[Yukiko Tanaka]] (田中 幸子), suspect in [[A Mysterious Sniper Murder Case]].
* [[Atsuko Tanaka]] (田中 敦子), voice actress ([[Mary Sera]] and [[Chihaya Hagiwara]]) ;
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{{Char|Masumi Sera}}
== The Mysterious Passenger ==
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4 KB (536 words) - 05:23, 30 May 2023
{{char|Masumi Sera}}
{{char|The Mysterious Passenger|EP230-231 Hijacker1|display=Man #1}}
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...[[Conan Edogawa]] <br> [[Ran Mouri]] <br> [[Sonoko Suzuki]] <br> [[Masumi Sera]] <br> [[Sayo Ohashi]] <br> [[Katsumasa Ogura]] <br> [[Unknown Child]] <br>
| solved-by = [[Conan Edogawa]] <br> [[Masumi Sera]]
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9 KB (1,276 words) - 03:19, 4 August 2025
{{Char|Masumi Sera}}
{{Char|Mary Sera}}
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11 KB (1,722 words) - 05:28, 25 December 2024
...chi Akai]] (first son) <br> [[Shukichi Haneda]] (second son) <br> [[Masumi Sera]] (third child, daughter)
...band and the father of [[Shuichi Akai]], [[Shukichi Haneda]], and [[Masumi Sera]].
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9 KB (1,269 words) - 12:49, 18 June 2026
...<br> [[Atsuko Yuya]] as [[Miwako Sato]] <br> [[Noriko Hidaka]] as [[Masumi Sera]] <br> [[Michie Tomizawa]] as Kiyoko Igarashi <br> [[Aya Hisakawa]] as Hozu
{{Char|Masumi Sera}}
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4 KB (506 words) - 15:18, 11 June 2026
...[[Ryotaro Okiayu]] as [[Subaru Okiya]] <br> [[Noriko Hidaka]] as [[Masumi Sera]] <br> [[Sumi Shimamoto]] as [[Yukiko Kudo]] <br> [[Tohru Furuya]] as [[Rei
{{char|Masumi Sera}}
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7 KB (1,000 words) - 03:14, 4 September 2026
| keyhole = [[Mysterious man with sunglasses]]
{{char|Masumi Sera}}
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8 KB (1,114 words) - 01:36, 28 May 2025
...Wataru Takagi]] <br> [[Kazunobu Chiba]] <br> [[Mysterious Old Man]] <br> [[Mysterious man with sunglasses]]
| solved-by = [[Conan Edogawa]] <br> [[Eri Kisaki]] <br> [[Masumi Sera]]
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16 KB (2,452 words) - 03:34, 31 May 2026
Image:ep92819.PNG|Mayama received a mysterious sms
Image:ep92825.PNG|Mai and Sera
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{{Char|Masumi Sera}}
{{Char|Mary Sera}}
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{{NewChar|[[Mysterious Old Woman]]|F1126 Woman.jpg|
{{Char|Masumi Sera}}
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| suspects = Mysterious robber
| suspects = Mysterious robber
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10 KB (1,225 words) - 02:15, 13 June 2026
=== Mysterious Hanging Case (Manga: [[Volume 57#Mysterious Hanging Case|587-590]], Anime [[Clash of Red and Black#Deceased Mother's Me
Conan, Ran, [[Sonoko Suzuki|Sonoko]], and [[Masumi Sera|Masumi]] attend the live taping of the "Which Sweets Show", in which Osamu
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7 KB (1,020 words) - 01:44, 20 September 2025
...<br> [[Ran Mouri]] <br> [[Sonoko Suzuki]] <br> [[Masumi Sera]] <br> [[Mary Sera]] <br> [[Juzo Megure]] <br> [[Wataru Takagi]] <br> [[Kazunobu Chiba]] <br>
| solved-by = [[Conan Edogawa]] <br> [[Masumi Sera]]
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18 KB (2,677 words) - 03:51, 5 June 2026
...identity is that their stay at the hotel is free, as well as a copy of the mysterious Night Baron virus program. A costume of Night Baron is used three times. Th
[[Masumi Sera|Masumi]] tells [[Ran Mouri|Ran]] and [[Sonoko Suzuki|Sonoko]] that she read
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* How did [[James Black]] instantly determine that [[Masumi Sera]] is a girl? <ref>[[Volume 74#East vs. West|Volume 74: Files 5-7 (778-780)]
* What did [[Mary Sera|Mary]] mean by "Once I return to my original form, we'll stop running from
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15 KB (2,423 words) - 05:35, 17 April 2025