The Spiral Mansion Mystery

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~

This page is a stub. Please consider filling in the missing pieces if you are able.

Chronology
‹ Kid VS Hakuba: The Azure Throne	List of Episodes	The Cosplay Rider of the Wind ›

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 atmosphere of the episode becomes intense with the appearance of an art magazine editor Kazumi Hayase. This is because the magazine Hayase worked for charges the Tsurufuji family 300 thousand yenAround 1890 US dollar as publication fee, regardless of how much Kyu Tsurufuji contributed for Japan’s 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.

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

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