The Ishikawa Yorumasshi Mystery

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Chronology
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Episode 1156-1157 (Int. Episode 1214-1215)
Information
Title:	The Ishikawa Yorumasshi Mystery
Japanese title:	石川よるまっしミステリー (Ishikawa Yoru Masshi Misuterī)
Original airdate:	March 8, 2025 (Part 1) March 15, 2025 (Part 2)
Broadcast rating:	6.4% (Part 1) 6.6% (Part 2)
Filler case:	#437
Season:	30
Manga source:	TV Original
Case
Cast:	Conan Edogawa Kogoro Mouri Ran Mouri
Case solved by:	Kogoro Mouri (via Conan)
Next Conan's Hint:	Gold foil (Part 1) Guitar case (Part 2)
Staff
Director:	Yasuichiro Yamamoto Nobuharu Kamanaka
Screenplay:	Toshimichi Okawa
Storyboard:	Masaki Ozora
Episode director:	1156: Akira Yoshimura 1157: Masahiro Takada
Animation director:	1156: • Asuka Tsubuki • Rei Masunaga • Kana Aoki • FALCO Suzuki 1157: • Akio Kawamura
Character design:	Masatomo Sudo Nobuyuki Iwai (sub-character) Hiroshi Ogawa (design works)
Production cooperation:	1157: BIG BANG
Voice Cast: Minami Takayama as Conan Edogawa Rikiya Koyama as Kogoro Mouri Wakana Yamazaki as Ran Mouri Ryota Asari as Ryusei Inami Kana Asumi as Yumeno Arihara Hiroshi Tsuchida as Kensuke Domon Anri Katsu as Jotaro Tanemura Chihiro Suzuki as Yoji Kinomoto
Music
Opening song:	But No Love
Closing song:	Shooting star

The Ishikawa Yorumasshi Mystery (石川よるまっしミステリー ,Ishikawa Yoru Masshi Misuterī) is the 1156th and 1157th episode of the Detective Conan anime.

Cast

Characters

Conan Edogawa

Kogoro Mouri

Ran Mouri

Gadgets

Gadgets

Microphone

Elasticity Suspenders

Voice-Changing Bowtie

Stun-Gun Wristwatch

Case

Situation

Part 1

Kogoro Mouri is hired by an anonymous customer later revealed to be Yumeno Arihara, whom he escorted along with the other member from the stage to dressing room 3 years ago but forgot about it anyway, to investigate an anonymous letter she received a week ago stating that they knew what she had done at that faithful day 3 years ago. Of course, the situation he is asked to investigate is also under the eavesdropping of Conan since he did not reveal anything to Ran and Conan before splitting. But here’s the catch: Both Conan and Arihara have already sensed that someone was actually following them.

Arihara recalls the time when she was playing for the band called Albarosa consisting of Kensuke Domon as their drummer and band leader; Jotaro Tanemura as their guitarist; Yoji Kinomoto as their bass; while she was their main vocalist, which was the time when their donated money intended for charity were gone by unknown person, causing massive criticism, and the band to break up. Kogoro at first gives the statement that the two would soon deny: The anonymous must have thought her to be the one to steal it. Then the suspicion rises toward the other three members, that is also when Kogoro finally realizes that they have met each other 3 years ago in the aforementioned event.

Robbery (past)

Location: Concert hall in Kanazawa, Ishikawa Prefecture

Time: 3 years ago

Amount stolen: 8 million yen in donations

Suspects: Yumeno Arihara, Jotaro Tanemura, Kensuke Domon and Yoji Kinomoto

Meanwhile, Conan and Ran decide to go from Komatsu station to the Komatsu Hikiyama museum for some Kabuki experiences but Conan tries to call Kogoro to ask for the progress, as the signal is not working there, only to have a gun pointed at his head, thus disrupting the call. Later, Kogoro receives a call from Ran telling that Conan has gone missing, to which he reassures that he is just going somewhere as usual. However, he receives another call from a mysterious man that is later revealed to be Ryusei Inami stating that he has kidnapped Conan, and Inami requests Kogoro to bring all four people from the band Albarosa and not to call the police. However, there is something a bit different compare to an usual kidnapping case.

Fake kidnapping

Location: Katayamazu Onsen Geisha Office "Hanayakata"

Victim: Conan Edogawa

Age: 6-7 years old

Culprit: Ryusei Inami

In fact, Conan had already realized it was actually a toy gun when Inami pointed at him but still followed his word anyways.

There, Inami introduces himself to Conan and explains the real purpose why he kidnapped him was to gather all members and show them the footage of the thief stealing money that was donated for Albarosa band for charity purposes.

Meanwhile, Kogoro and Arihara could only gather Tanemura and Domon as Kinomoto’s whereabouts are unclear. Later, Arihara receives a strange call and decides to answer it privately, not knowing that Ran is actually following her. After enjoying their surfing at sunset, Conan and Inami talk about life stuff, with Inami deciding to show Conan about the golden skateboard at his uncle's house nearby, however, it has been sabotaged by someone. And they have to run without much thinking when Conan hears footsteps that could be the sabotager coming toward them. But it seems that someone is trying to kill the two or Inami’s uncle when they realize that the brake from the car that they are driving has broken down as well, causing the car to go over the safety barrier at the bend.

Attempted murder

Location: Near Ryusei Inami's uncle's house, Ishikawa Prefecture

Victims: Ryusei Inami and Conan Edogawa

Age: 18 years old (Ryusei) and 6-7 years old (Conan)

Modus operandi: Tampering with car brakes

Suspects: Yumeno Arihara, Jotaro Tanemura, Kensuke Domon and Yoji Kinomoto

As soon as Conan heard the footsteps coming toward them, they have to run away in the available car, however, they didn't know that it was sabotaged as well.

Part 2

Luckily, the two are able to survive thanks to Conan’s elasticity suspenders, however, they are soon confronted by a mysterious person that freaks Inami out. At the next morning, Kogoro, Arihara, Domon, Tanemura, and Ran are discussing why is the guitar box stolen 3 years ago now in Tanemura’s car when Ran reports to her father that Arihara had met with someone who appears to be the last member of Albarosa band but still expresses her worry toward Conan’s safety just as when she receives the call from Conan himself. He apologizes to her and Kogoro for not calling them earlier to tell that he were safe all the time, and tells everyone to stay there waiting for him and the others to arrive, with the footage of the thief 3 years ago sent to him.

People

Yumeno Arihara
	28 years old Galley shop employee Kanazawa PR ambassador Former Albarosa member

Ryusei Inami
	18 years old Surfer Albarosa fan

Jotaro Tanemura
	28 years old Auto mechanic Former Albarosa member

Kensuke Domon
	43 years old Chef in Tokyo Former Albarosa member

Yoji Kinomoto
	28 years old Abroad in England? Former Albarosa member

Resolution

  Show spoilers »

Yoji Kinomoto is revealed to be Ryusei's uncle and the gold foil craftsman. The true culprit is Kensuke Domon.

The person seen in the footage was not Tanemura as he always carries the guitar on his right shoulder while in the footage, the person was holding on his left shoulder.

The truth is Kinomoto was the one who sent the letter to Domon, however, it was cut in half by Domon and sent to Arihara, it was meant so that Arihara would find the other members, but she ended up asking Mori for help. When Domon realized that the letter was sent by Kinomoto, he attempted to kill him to hide the proof but ended up almost killing Conan and Inami in the process.

The sleeping Kogoro reveals that Domon broke into Kinomoto’s studio to steal the video, which contains the footage against him and then placed the guitar’s box in Tanemura’s car to accuse him but accidentally left some gold pieces in the box and his shoes as well. He accidentally admits the crime when he says that the car was old, which he’d only seen when he sabotaged it.

He attempts to escape, however, Conan uses his elasticity suspenders, combined with the golden skateboard given by Inami to follow Domon along, eventually forcing him to brake and crashing to the ground. Then the group reunited with Inami as their new drummer.

Aftermath

Conan and Ran are eating together on the train that starts from Nagano prefecture while Conan wonders about the local police, most notably Kansuke Yamato; Yui Uehara; and Taka'aki Morofushi, well being while Mori is enjoying the food outside the train and he is accidentally left outside.

Gallery

In other languages

Language	Title	Translation
Arabic	لمُّ شمل الفرقة	Reuniting the band
French (Subbed)	Enquête à Ishikawa	Investigation in Ishikawa
Thai	ปริศนา...มาเที่ยวอิชิคาว่ากันเถอะฮิ	Let's Tour Ishikawa~hi...Mystery

See also

• Season 30
• Mystery Tour (series)