The Joint Investigation with First Love

| Chronology | | |
| --- | --- | --- |
| ‹  [The Hot Chocolate Trap](/wiki/The_Hot_Chocolate_Trap "The Hot Chocolate Trap") | [**List of Episodes**](/wiki/Anime#Episodes "Anime") | [Kogoro-san is a Good Man](/wiki/Kogoro-san_is_a_Good_Man "Kogoro-san is a Good Man")  › |
|  |  |
| --- | --- |
| **Episode 659-660   (Int. Episode 711-712)** | |
|  | |
| **Information** | |
| Title: | Co-Investigating with a First Love |
| Japanese title: | 初恋の共同捜査   (Hatsukoi no Kyōdō Sōsa) |
| Original airdate: | June 9, 2012 (Part 1)   June 16, 2012 (Part 2) |
| Broadcast rating: | 10,30%   10,00% |
| Manga case: | #229 |
| Season: | (/wiki/Season_17 "Season 17") |
| Manga source: | [Volume 75: Files 6-8 (790-792)](/wiki/Volume_75#Painmobile "Volume 75") |
| **Case** | |
| Cast: | [Conan Edogawa](/wiki/Conan_Edogawa "Conan Edogawa")   [Ai Haibara](/wiki/Ai_Haibara "Ai Haibara")   [Hiroshi Agasa](/wiki/Hiroshi_Agasa "Hiroshi Agasa")   [Detective Boys](/wiki/Detective_Boys "Detective Boys")   [Kazunobu Chiba](/wiki/Kazunobu_Chiba "Kazunobu Chiba")   [Yumi Miyamoto](/wiki/Yumi_Miyamoto "Yumi Miyamoto")   [Naeko Miike](/wiki/Naeko_Miike "Naeko Miike")   [Miwako Sato](/wiki/Miwako_Sato "Miwako Sato")   [Wataru Takagi](/wiki/Wataru_Takagi "Wataru Takagi")   [Juzo Megure](/wiki/Juzo_Megure "Juzo Megure")   [Ninzaburo Shiratori](/wiki/Ninzaburo_Shiratori "Ninzaburo Shiratori")   [Sumiko Kobayashi](/wiki/Sumiko_Kobayashi "Sumiko Kobayashi")   [Gomera](/wiki/Gomera "Gomera")   [Kamen Yaiba](/wiki/Kamen_Yaiba "Kamen Yaiba") |
| Case solved by: | [Conan Edogawa](/wiki/Conan_Edogawa "Conan Edogawa")   [Yumi Miyamoto](/wiki/Yumi_Miyamoto "Yumi Miyamoto") |
| Next Conan's Hint: | Airbag (Part 1)   Rear window (Part 2) |
| **Staff** | |
| Director: | [Koujin Ochi](/wiki/Koujin_Ochi "Koujin Ochi") |
| Organizer: | [Shigenori Kageyama](/wiki/Shigenori_Kageyama "Shigenori Kageyama") |
| Storyboard: | [Shigenori Kageyama](/wiki/Shigenori_Kageyama "Shigenori Kageyama") |
| Episode director: | 659 [Akira Yoshimura](/wiki/Akira_Yoshimura "Akira Yoshimura")   660 [Shigeru Yamazaki](/wiki/Shigeru_Yamazaki "Shigeru Yamazaki") |
| Animation director: | 659 [Kenichi Otomo](/wiki/Kenichi_Otomo "Kenichi Otomo")   660 [Masanori Hashimoto](/wiki/Masanori_Hashimoto "Masanori Hashimoto"), [Akio Kawamura](/wiki/Akio_Kawamura "Akio Kawamura") |
| Character design: | [Masatomo Sudo](/wiki/Masatomo_Sudo "Masatomo Sudo")   [Seiji Muta](/wiki/Seiji_Muta "Seiji Muta")   [Kumiko Shishido](/wiki/Kumiko_Shishido "Kumiko Shishido") (design works) |
| Production cooperation: | 660 [BIG BANG](/wiki/BIG_BANG "BIG BANG") |
| | Voice Cast: | | --- | | [Minami Takayama](/wiki/Minami_Takayama "Minami Takayama") as [Edogawa Conan](/wiki/Edogawa_Conan "Edogawa Conan")   [Megumi Hayashibara](/wiki/Megumi_Hayashibara "Megumi Hayashibara") as [Ai Haibara](/wiki/Ai_Haibara "Ai Haibara")   [Kenichi Ogata](/wiki/Kenichi_Ogata "Kenichi Ogata") as [Hiroshi Agasa](/wiki/Hiroshi_Agasa "Hiroshi Agasa")   [Ikue Otani](/wiki/Ikue_Otani "Ikue Otani") as [Mitsuhiko Tsuburaya](/wiki/Mitsuhiko_Tsuburaya "Mitsuhiko Tsuburaya")   [Yukiko Iwai](/wiki/Yukiko_Iwai "Yukiko Iwai") as [Ayumi Yoshida](/wiki/Ayumi_Yoshida "Ayumi Yoshida")   [Wataru Takagi (voice actor)](/wiki/Wataru_Takagi_(voice_actor) "Wataru Takagi (voice actor)") as [Wataru Takagi](/wiki/Wataru_Takagi "Wataru Takagi"), [Genta Kojima](/wiki/Genta_Kojima "Genta Kojima")   [Isshin Chiba](/wiki/Isshin_Chiba "Isshin Chiba") as [Kazunobu Chiba](/wiki/Kazunobu_Chiba "Kazunobu Chiba")   [Kazuhiko Inoue](/wiki/Kazuhiko_Inoue "Kazuhiko Inoue") as [Ninzaburo Shiratori](/wiki/Ninzaburo_Shiratori "Ninzaburo Shiratori")   [Atsuko Yuya](/wiki/Atsuko_Yuya "Atsuko Yuya") as [Miwako Sato](/wiki/Miwako_Sato "Miwako Sato")   [Yu Sugimoto](/wiki/Yu_Sugimoto "Yu Sugimoto") as [Yumi Miyamoto](/wiki/Yumi_Miyamoto "Yumi Miyamoto")   [Yuko Kato](/wiki/Yuko_Kato "Yuko Kato") as [Sumiko Kobayashi](/wiki/Sumiko_Kobayashi "Sumiko Kobayashi")   [Rie Tanaka](/wiki/Rie_Tanaka "Rie Tanaka") as [Naeko Miike](/wiki/Naeko_Miike "Naeko Miike")   [Hiroko Emori](/wiki/index.php?title=Hiroko_Emori&action=edit&redlink=1 "Hiroko Emori (page does not exist)") as Tokuko Shigei   [Tetsuo Kanao](/wiki/index.php?title=Tetsuo_Kanao&action=edit&redlink=1 "Tetsuo Kanao (page does not exist)") as Aketoshi Fukuchi   [Biichi Sato](/wiki/index.php?title=Biichi_Sato&action=edit&redlink=1 "Biichi Sato (page does not exist)") as Takerou Meiwa   [Yoshiharu Yamada](/wiki/index.php?title=Yoshiharu_Yamada&action=edit&redlink=1 "Yoshiharu Yamada (page does not exist)") as Chiba's friend | | |
| **Music** | |
| Opening song: | [Miss Mystery](/wiki/Miss_Mystery "Miss Mystery") |
| Closing song: | [Overwrite](/wiki/Overwrite "Overwrite") |
***Co-Investigating with a First Love*** (初恋の共同捜査 ,*Hatsukoi no Kyōdō Sōsa*[?](/wiki/Help:Japanese "Help:Japanese")) is the 659th and 660th episode of *[Detective Conan](/wiki/Detective_Conan "Detective Conan")* [anime](/wiki/Anime "Anime").
## Contents
* [1 Cast](#Cast)
* [2 Gadgets](#Gadgets)
* [3 Case](#Case)
+ [3.1 Situation](#Situation)
- [3.1.1 Part 1](#Part_1)
- [3.1.2 Part 2](#Part_2)
+ [3.2 People](#People)
+ [3.3 Resolution](#Resolution)
* [4 Trivia](#Trivia)
* [5 BGM listing](#BGM_listing)
+ [5.1 Part 1](#Part_1_2)
+ [5.2 Part 2](#Part_2_2)
* [6 Gallery](#Gallery)
* [7 In other languages](#In_other_languages)
* [8 References](#References)
* [9 See also](#See_also)