The Spiral Mansion Mystery: Difference between revisions

Kaoru Neji
	25 years old; Curator of the Spiral Mansion;

Kyu Tsurufuji
	Deceased; Conceptual artist;

	Episode 1195-1196 ; (Int. Episode 1254-1255)
	Information
Title:	The Spiral Mansion Mystery
Japanese title:	館ミステリー渦巻館 ; (Yakata Misuterī Uzumaki-kan)
Original airdate:	March 28, 2026 (Part 1) ; April 4, 2026 (Part 2)
Broadcast rating:	4.9% (Part 1) ; 6.0% (Part 2)
Filler case:	#458
Season:	31
Manga source:	TV Original
	Case
Cast:	Conan Edogawa ; Ran Mouri ; Kogoro Mouri ; Juzo Megure ; Wataru Takagi ; Yoko Okino
Case solved by:	Kogoro Mouri (via Conan)
Next Conan's Hint:	Drill (Part 1) ; Rope (Part 2)
	Staff
Director:	Yasuichiro Yamamoto ; Nobuharu Kamanaka
Screenplay:	Hiro Masaki
Storyboard:	Masaki Ozora
Episode director:	1195: Yuki Kawakata ; 1196: ; Yoshihiro Sugai ; Tsukasa Saito (asst.)
Animation director:	1195: ; • Kaoru Nagakawa ; • Michitaka Yamamoto ; • Yukari Kamiaka ; • Zi Dengjia ; • Marie Nagano ; • Kana Aoki ; • Asuka Tsubuki ; 1196: ; • Kosei Takahashi ; • Eiichi Tokura
Character design:	Masatomo Sudo ; Masanori Hashimoto (sub-character) ; Hiroshi Ogawa (design works)
Production cooperation:	1195: Azeta Pictures ; 1196: Mouse
Voice Cast:
	Minami Takayama as Conan Edogawa ; Akemi Okamura as Ran Mouri ; Rikiya Koyama as Kogoro Mouri ; Chafurin as Juzo Megure ; Wataru Takagi as Wataru Takagi ; Yoshimitsu Shimoyama as Sensuke Tsurufuji ; Taro Kiuchi as Satoshi Omagari ; Akeno Watanabe as Yoko Tsurufuji ; Mie Sonozaki as Maimai Tsurufuji ; Azusa Tadokoro as Kaoru Neji ; Junya Enoki as Kazumi Hayase
	Music
Opening song:	Heaven Knows
Closing song:	TOWA ~Towa ni Kaze ni Noru~

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Revision as of 10:32, 13 June 2026

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Chronology
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The Spiral Mansion Mystery (館ミステリー渦巻館 ,Yakata Misuterī Uzumaki-kan^?) is the 1195th and 1196th episode of the Detective Conan anime.

Cast

Characters

Yoko Okino (background)

Gadgets

Telescopic Lenses

Stun-Gun Wristwatch

Voice-Changing Bowtie

Case

Situation

Part 1

Yoko Okino covered the Spiral Mansion on TV several days ago, which got Kogoro hyped up and now he has taken his family into the Mansion to witness the spiral arts.

Kogoro, Ran, and Conan continue their visit with the Spiral Mansion curator Kaoru Neji before the art magazine editor Kazumi Hayase arrives to have a meeting with her and several other members of the Tsurufuji family includes: Kyu’s son Sensuke Tsurufuji, Sensuke's younger sister Maimai Tsurufuji, and Sensuke’s wife Yoko Tsurufuji. The meeting was meant to seal the deal about the publication of Kyu’s arts, but it did not work out due to the publication fee being 300.000 yen, despite his contribution to conceptual art.

Meanwhile, the Mouris are still enjoying their visit at the mansion when they hear a scream that is followed by a gunshot. Kogoro tells Ran and Conan not to follow him, only for him to realize they did the opposite when he discovered the body of Sensuke. Still, he asks his daughter to call the police.

Murder

Location: Bathroom in the Spiral Mansion 3rd floor

Victim: Sensuke Tsurufuji

Age: 41 years old

Cause of death: Gunshot wound to chest

Suspects: Kaoru Neji, Kazumi Hayase, Maimai Tsurufuji, Yoko Tsurufuji

The first question that was addressed by Maimai is how her brother had a license to use guns. Neji confirms that she did not see anyone going up or down from the third floor, raising everyone’s suspicion to Maimai. However, her husband Satoshi Omagari goes into the building, stating that his wife is innocent without a clear reason.

Later, we can see that Conan is checking on something with the mansion guidebook. Then, he tries to count how many footsteps he needs to walk from one floor to another. He notices that the distance between the 3rd floor and the 4rd floor is 50% longer than the others, from which he deduces that there must be a half-floor space in between the two floors.

The board at the top of the spiral stairs

Murder

Location: A stream near the Spiral Mansion

Victim: Satoshi Omagari

Age: 39 years old

Time: 1:15 PM

Cause of death: Cerebral contusion from a blow to the back of the head

Suspects: Kaoru Neji, Kazumi Hayase, Maimai Tsurufuji, and Yoko Tsurufuji

Part 2

People

Kazumi Hayase
	25 years old Art magazine editor

Sensuke Tsurufuji
	Victim (gunshot) 41 years old Kyu Tsurufuji's son

Maimai Tsurufuji
	38 years old Kyu Tsurufuji's daughter

Yoko Tsurufuji
	41 years old Sensuke's wife

Satoshi Omagari
	Victim (bludgeoned) 39 years old Maimai's husband

Masataro Hiruki
	Designer of the Spiral Mansion

Resolution

Show spoilers »

Trivia

The suspects have names related to "spirals/turning":
- Sensuke Tsurufuji (弦藤旋介)'s first name contains the kanji "旋" in "rotation" (旋回 ,senkai^?) ;
- Maimai Tsurufuji (弦藤舞々)'s first name contains the kanji "舞" in "to rotate"/"to spin" (舞う ,mau^?) ;
- Kaoru Neji (根次薫)'s last name is similar to "screw"/coil" (螺子 ,neji^?) ;
- Satoshi Omagari (大曲悟志)'s last name contains the kanji for "twist"/"turn" (曲 ,magari^?).

Gallery

For the full gallery, click here:

In other languages

Language	Title	Translation
French (Subbed)	Mystère au manoir : Le Musée du tourbillon	Mystery at the mansion: The spiral museum
German (Subbed)	Mysterium im Museum: Die Spiralen-Villa	Mystery at the Museum: The Spiral Villa
Korean	소용돌이 저택 미스터리	The Spiral Mansion Mystery

@@ Line 69: / Line 69: @@
 [[Kogoro Mouri|Kogoro]], [[Ran Mouri|Ran]], and [[Conan Edogawa|Conan]] continue their visit with the Spiral Mansion curator Kaoru Neji before the art magazine editor Kazumi Hayase arrives to have a meeting with her and several other members of the Tsurufuji family includes: Kyu’s son Sensuke Tsurufuji, Sensuke's younger sister Maimai Tsurufuji, and Sensuke’s wife Yoko Tsurufuji. The meeting was meant to seal the deal about the publication of Kyu’s arts, but it did not work out due to the publication fee being {{Bracket|300.000 yen|Around 1870 US Dollars as of June 13th, 2026}}, despite his contribution to conceptual art.
-After the discussion ends and everyone splits, the Mouri family are still enjoying their visit when a scream is heard, followed by a gunshot.
+Meanwhile, the Mouris are still enjoying their visit at the mansion when they hear a scream that is followed by a gunshot. Kogoro tells Ran and Conan not to follow him, only for him to realize they did the opposite when he discovered the body of Sensuke. Still, he asks his daughter to call the police.
 {{InfoBox Crime
@@ Line 80: / Line 80: @@
 | description         =
 }}
+The first question that was addressed by Maimai is how her brother had a license to use guns. Neji confirms that she did not see anyone going up or down from the third floor, raising everyone’s suspicion to Maimai. However, her husband Satoshi Omagari goes into the building, stating that his wife is innocent without a clear reason.
+Later, we can see that Conan is checking on something with the mansion guidebook. Then, he tries to count how many footsteps he needs to walk from one floor to another. He notices that the distance between the 3rd floor and the 4rd floor is 50% longer than the others, from which he deduces that there must be a half-floor space in between the two floors.
+[[File:1195-1196.4.jpg|thumb|left|200px|The board at the top of the spiral stairs]]
 [[File:1195-1196-3.jpg|thumb|left|200px|The secret of the Spiral Mansion]]