Mystery Atop Mount Fuji

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Chronology
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Episode 21
Information
Title:	Mystery Atop Mount Fuji
Japanese Title:	富士山頂でまつ (Fuji Sanchō de Matsu)
Original airdate:	September 6, 2025
Broadcast rating:	2.7%
Season:	1
Manga source:	Volume 11: Chapter 10 (109)-Volume 12: Chapter 2 (112)
English version
English Title:	Mystery Atop Mount Fuji
Story
Cast:	Yaiba Kurogane Musashi Miyamoto Jubei Yagyu Sayaka Mine Shonosuke Kagetora Gerozaemon Geroda Namako-Otoko Nadeshiko Yamato Takeshi Onimaru Kumo-Otoko Professor Kanabo Orb of Victory
Staff
Director:	Takahiro Hasui
Screenplay:	Eiji Umehara
Storyboard:	Hiro Kaburagi
Episode director:	Jiro Yoshida
Animation director:	Yoshimichi Kameda (chief) Yuichi Fujimaki (asst. chief) Masayuki Sato Wan Yi Jing Lou Shosuke Ishibashi Naohiro Osugi Tsuroru Takeshi Maenami Mana Uetake Aito Ohashi (effect) Takeshi Maenami (effect)
Voice Cast: Minami Takayama as Yaiba Kurogane Junichi Suwabe as Musashi Miyamoto Hidenori Takahashi as Jubei Yagyu Manaka Iwami as Sayaka Mine Isshin Chiba as Kagetora Kosuke Echigoya as Shonosuke Takeharu Onishi as Gerozaemon Geroda Kana Ichinose as Namako-Otoko Sayaka Senbongi as Nadeshiko Yamato Yoshimasa Hosoya as Takeshi Onimaru Shuhei Sakaguchi as Kumo-Otoko Yoshimitsu Shimoyama as Professor Kanabo Shun Horie as Orb of Victory
Music
Opening song:	BLADE
Closing song:	ACTION!

Mystery Atop Mount Fuji (富士山頂でまつ ,Fuji Sanchō de Matsu) is the 21st episode of the Yaiba: Samurai Legend anime.

Cast

Featured

Characters

Yaiba Kurogane

Musashi Miyamoto

Jubei Yagyu

Sayaka Mine

Kagetora

Shonosuke

Gerozaemon Geroda

Namako-Otoko

Nadeshiko Yamato

Takeshi Onimaru

Kumo-Otoko

Professor Kanabo

100px
Orb of Victory

Location

Setting

• Mount Fuji

Manga to anime changes

• The scene where Yaiba mistaken Mount Bandai as Mount Fuji is not adapted.
• The new anime made the camping scenes longer, with new conversation of how their focus is Dragon God Orb and the fact that Onimaru's influence have slowed down their journey.
• Unlike in manga, Kerokichi doesn't come out of the Dark Orb, thus he isn't forced to tell Onimaru about the Dragon God Orb. Instead, Kumo-Otoko gathers the information using his gadget.
• In manga, Onimaru meet Yaiba outside using some kind of flying vehicle. In anime, it is replaced with a jetpack.
• The anime adds the scene where Musashi wondering about Yaiba whereabouts, before Nadeshiko breaks into male bathroom to warn the group that they have been trapped. In exchange, the scene where Musashi and others relaxing in the bathhouse while Yaiba is fighthing Onimaru is not adapted.
• In new anime, Kumo-Otoko manage to escape before Onimaru use Tatsumaki-giri on the flying bathhouse. In manga, Yaiba prevented him from escaping, and he end up injured after the flying bathhouse crashed into Onimaru Castle. This also make the scene where Onimaru wondering how Kumo-Otoko is still alive after the crash is not adapted.
• The scene which depicts Tatsumaki-giri's ability to drill through the earth is not adapted.
• Because there is no Kerokichi who told the group about the garbage disposal, the anime version make them find it by themselves.
• The anime version of the door to Dragon God Orb test is much more bigger compared to manga version.

Gallery

See also

• Aim for the Ryuujin Orb on Mount Fuji!
• Yaiba Loses the Seven Orbs!?
• Ryuujin's Ruthless Test
• Yaiba: Samurai Legend
• Yaiba