The Yamahime of Yakushima

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Chronology
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Episode 1153-1154 (Int. Episode 1211-1212)
Information
Title:	The Yamahime of Yakushima
Japanese title:	屋久島の山姫 (Yaku-shima no Yamahime)
Original airdate:	February 15, 2025 (Part 1) February 22, 2025 (Part 2)
Broadcast rating:	6.1% (Part 1) 6.3% (Part 2)
Filler case:	#435
Season:	30
Manga source:	TV Original
Case
Cast:	Conan Edogawa Kogoro Mouri Ran Mouri
Case solved by:	Conan Edogawa
Next Conan's Hint:	Ancient Jomon Cedar (Part 1) Railcar (Part 2)
Staff
Director:	Yasuichiro Yamamoto Nobuharu Kamanaka
Screenplay:	Akatsuki Yamatoya
Storyboard:	Mitsuko Kase
Episode director:	1153: • Hiroyuki Okuno • Ryotaro Aoba (asst.) 1154: • Yuki Kawakata
Animation director:	1153: • Yui Ushinohama (supervisor) • Kosuke Hiramatsu • Ryotaro Aoba • Shoichi Hagiwara • Marie Nagano • Nozomi Sekigawa Nakamura Production • Mineko Sato • Yurika Yamada 1154: • Kaoru Nagakawa • Michitaka Yamamoto • Zi Dengjia • Yukari Kamiaka
Character design:	Masatomo Sudo Masanori Hashimoto (sub-character) Hiroshi Ogawa (design works)
Production cooperation:	1153: Studio Lings 1154: Azeta Pictures
Voice Cast: Minami Takayama as Conan Edogawa Rikiya Koyama as Kogoro Mouri Wakana Yamazaki as Ran Mouri Kozo Shioya as Taisei Hidaka Shuhei Sakaguchi as Ryoya Kitabeppu Takeharu Onishi as Yuji Yamamoto Toshiyuki Toyonaga as Taro Tsukada Kei Shindo as Kasumi Kokusho Naoyuki Uchida as Himself Asami Yokoyama as Herself Yoshiyasu Otaka as Tourist A (Episode 1153) Motoharu Ono as Tourist B (Episode 1153) Ami Matsushima as Tourist C (Episode 1153) Yu Okano as Doctor (Episode 1154)
Music
Opening song:	But No Love
Closing song:	Shooting star

The Yamahime of Yakushima (屋久島の山姫 ,Yaku-shima no Yamahime) is the 1153rd and 1154th episode of the Detective Conan anime. First announced on January 25, 2025, it was released to promote tourism to the island of Yakushima, off the southern coast of Kyushu in Kagoshima Prefecture.

Cast

Characters

Conan Edogawa

Kogoro Mouri

Ran Mouri

Gadgets

Gadgets

Telescopic Lenses

Wristwatch Flashlight

Stun-Gun Wristwatch

Case

Situation

Part 1

A tour group is walking in the wooden stair covering around the ancient Jomon Cedar tree when they see a body lying down there, freaking them out. The victim is the representative of the Yakushima forestry department, a non-profit organization managing the island, named Yoshimi Hidaka. Two weeks later, the Mouri’s family is called by her father Taisei Hidaka to find the murder as the local police investigation has fallen to dead end whereas they couldn’t find the murder out of 4 suspects: Ryoya Kitabeppu, who had quarreled with the victim frequently, happened to lead the tour group that found the victim; Taro Tsukada, whom the victim cancelled the engagement upon knowing that he cheated on her; Kasumi Kokusho, Yoshimi’s best friend; and Yuji Yamamoto, who had been caught stalking on the victim.

Murder (past)

Location: Near the Ancient Jōmon Cedar, Yakushima Island

Victim: Yoshimi Hidaka

Age: 27 years old

Time: Two weeks ago

Cause of death: Cardiac arrest

Suspects: Ryoya Kitabeppu, Taro Tsukada, Yuji Yamamoto and Kasumi Kokusho

So the family begins to question the suspects as usual:

• Kitabeppu confirms that he led the group that found her corpse, as they had stayed at the mountain lodge before fulfilling their wish to see the ancient Jomon Cedar tree the next morning. He also confirms to know her and her intention of cutting the number of tourists by half, but stating that is not enough to be the motive for him to kill her. Conan asks him who he suspects to be the culprit the most, but we couldn’t know it for now.
• Tsukada states that he is still in love with Yoshimi but thinks that love is relative and it is not necessary to be loving one person only, making Conan speechless while Kogoro think that he must have aroused his hatred toward her and killed her, to which he denies with the same reason. Conan asks if he processes the wood in this factory, which reminds Kogoro about the factory closure and angers Tsukada when they ask too much.
• Next, Kokusho hopes that the family will soon find the murderer before quickly denying the rumour that she had feelings for Tsukada as well when Kogoro mentions it for her. As for the most probable one to be the murderer, she thinks it is Taro to someone else that we couldn’t know for now (for real, why don’t we know these two pieces of information?).
• Finally, Yamamoto denies his relevancies to the murder as he and Yoshimi were childhood friends but rarely talk nowadays, and the reason he observed her from afar (which is not differ from stalking according to many of us) is simply that he likes her, to which Kogoro states that it could be a crime if she felt annoying. Ran asks him if he had expressed his feelings to her yet, to which he answers no as his feelings for her would end upon being rejected by her and swears not to have killed her.

Attempted murder

Location: Near the Ancient Jōmon Cedar, Yakushima Island

Victim: Kasumi Kokusho

Age: 27 years old

Cause of injury: Falling

Suspects: Ryoya Kitabeppu, Taro Tsukada and Yuji Yamamoto

People

Taisei Hidaka
	52 years old Local fisherman

Yoshimi Hidaka
	Deceased (cardiac arrest) 27 years old "Yakushima Forest Defense Force" leader Taisei's daughter

Ryoya Kitabeppu
	29 years old Mountain guide "Kitabeppu Sports" equipment shop owner

Taro Tsukada
	25 years old Tsukada wood processing shop owner Yoshimi's ex-fiancé

Kasumi Kokusho
	Victim (fell - injured) 27 years old Café owner Yoshimi's childhood friend

Yuji Yamamoto
	27 years old A-COOP Supermarket part-time worker

Asami Yokoyama
	27 years old Kagopita show host Real-life TV announcer at Kagoshima Yomiuri Television

Naoyuki Uchida
	46 years old Kagopita show host Real-life TV announcer at Kagoshima Yomiuri Television

Man A
	Tourist

Woman A
	Tourist

Man B
	Tourist

Man C
	Local resident

Man D
	Local resident

Doctor
	Yakushima Tokushokai Hospital doctor

Resolution

  Show spoilers »

The culprit is Kasumi Kokusho. She resented Yoshimi for going out with Tsukada, whom she had wanted to approach for a while. She then decides to kill Tsukada as well, since he did not reciprocate her feelings after she confessed to him.

Attempted murder

Location: Mount Miyanoura, Yakushima Island

Victim: Taro Tsukada

Age: 25 years old

Injury: Blood loss

Culprit: Kasumi Kokusho

Kokusho tries to kill Tsukada by tying him up and letting him die through steady blood loss; however, he was rescued before then.

Attempted murder

Location: Mount Miyanoura, Yakushima Island

Victims: Ran Mouri and Conan Edogawa

Age: 16-17 years old (Ran) and 6-7 years old (Conan)

Attack Types: Physical assault

Culprit: Kasumi Kokusho

Kokusho tries to kill Conan and Ran to cover up her wrongdoings. However, Taisei and Kogoro arrive in time to stop that from happening.

Ran realizes where she has seen Kokusho before, she is actually a stuntwoman, which explains how she was barely injured after her recent cliff fall. After Kokusho has done speaking, she attempts to kill Conan and Ran as they would act as eyewitnesses against her. Conan attempts to tranquilize Kokusho, but his wrist-watch was broken from a previous hit and this leads to Conan receiving a second hit. Taisei and Kogoro arrive just in time to the scene, with Kogoro taking down Kokusho with his signature judo throw. Even though Taisei witnessed Kogoro capturing the culprit of his daughter's death, his sadness still lingers after everything that has happened.

Trivia

• This is the second case to promote tourism in Kagoshima Prefecture, the first being Kogoro Gets Drunk in Satsuma, which aired in February of 2005 and focused mainly on Kagoshima's Satsuma Shōchū, a spirit distilled from sweet potatoes in southern Kyushu. It mainly focused on the cities of Tarumizu and Kagoshima, as well as the former town of Sakurajima, which merged into Kagoshima in 2004. This case is the first however to focus on a location outside of mainland Kagoshima Prefecture, in the town of Yakushima on the island of the same name.
• Likewise, this episode was partnered with Kagoshima Yomiuri Television (KYT), and featured real-life announcers Asami Yokoyama and Naoyuki Uchida, just like Kogoro Gets Drunk in Satsuma featured real-life announcer Yuka Tokuzumi. KYT will also organize a special exhibit related to the Yamahime Legend in February 2025 and a limited-merchandise event will take place in Kagoshima City in March.
• Kagopita (かごピタ) was a real-life evening news program which ran from October 3, 2014 to March 29, 2024 and was hosted by Uchida and Yokoyama. It was succeeded on April 6, 2024 by the morning news program "Kagopita Familiar" (かごピタFAMILIAR), shown in the case.
• The Hidakas' surname (日高) originates from Kagoshima Prefecture, originating from the "Hidaka" branch of the Seiwa Genji clan from Satsuma and Ōsumi provinces, nowadays Kagoshima and Miyazaki Prefectures. It is also common on Yakushima, with 13% of residents having the surname. Taisei Hidaka's voice actor Kozo Shioya is also from Kagoshima. Kitabeppu's last name (北別府) is mostly found in Kagoshima Prefecture, mainly in Soo City. Lastly, Kokushō (国生) also originates from Kagoshima Prefecture.
• The supermarket Yamamoto works at is the real-life coop-owned A-COOP Miyanoura Store in Miyanoura, Yakushima.
• The "SAPO" beer Kogoro drinks at the restaurant is named after Sapporo Beer.
• The hotel the Mouri Family stays at is the Samana Hotel Yakushima.
• Kitabeppu's car is a white Nissan Silvia S15. The license plate is 屋久島 330, に · 5 50 (Yakushima 330, Ni · 5 50).
• The hospital Kokusho is taken to is the real-life Yakushima Tokushokai Hospital (屋久島徳洲会病院).
• Taisei Hidaka's car is a dark turquoise Toyota Corolla (E120). The license plate is 屋久島 503, す 24·98 (Yakushima 503, Su 24·98).

Gallery

In other languages

Language	Title	Translation
Arabic	أميرة الجبل في ياكوشيما	Mountain Princess in Yakushima
French (Subbed)	La Princesse des monts de Yakushima	The Princess of the Yakushima mountains
Thai	เจ้าหญิงภูผาแห่งยาคุชิมะ	The Mountain Princess of Yakushima

See also

• Season 30
• Mystery Tour (series)