 This article is about a Ranger in Ninja Sentai Kakuranger.
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- "NinjaYellow! Seikai!"
- ―NinjaYellow's roll call[src]
Seikai (セイカイ) is NinjaYellow (ニンジャイエロー Ninja Ierō) of the Kakurangers.
Seikai is 24 years old at the beginning of Kakuranger and a descendant of Seikai Miyoshi.
History[]
Kakuranger[]
Seikai first encountered the Yokai when a friend of his was kidnapped by Rokurokubi, who thought he was her deceased son. Seikai fled with his friend and was rescued by Tsuruhime, Sasuke, and Saizou. They brought him to where his ancestor's sword was placed in the Earth. Upon pulling out his sword, the spirit of Seikai's ancestor appeared before him, gave him a lecture, and entrusted him with a Doron Changer, allowing Seikai to become NinjaYellow. 
TV STORY-Ep. 2: A Dangerous Lady The four were soon joined by Jiraiya, completing the team. TV STORY-Ep. 3: American Ninja
Super Sentai World[]
The Kakurangers in Super Sentai World.
When Emperor Daidas and his army invaded Earth, Seikai, alongside his team, joined with the four Sentai that came before them, the Dairangers, Zyurangers, Jetmen, and Fivemen, to defeat him. 
MOVIE STORY-Super Sentai World
Toei Hero Daishugō[]
The Dairangers with Kakurangers in Toei Hero Daishugō.
The Kakurangers and Dairangers standing alongside each other on the other side. MOVIE STORY-Toei Hero Daishugō
Ole vs. Kakuranger[]
Kakuranger in Ohranger.
The Kakurangers would later return to team-up with the Ohrangers, who were fighting the invasion of Earth by the Machine Empire Baranoia, against the powerful Yokai Onbu-Obake and Machine Beast Bara Gear. MOVIE STORY-Chouriki Sentai Ohranger: Ole vs. Kakuranger
Gaoranger vs. Super Sentai[]
NinjaYellow is among the Sentai warriors seen in clips when Gouki (GingaBlue) lectured Sotaro Ushigome (GaoBlack) about the past Sentai strong warriors, humbly claiming to not be nearly as strong as they are. MOVIE STORY-Hyakuju Sentai Gaoranger vs. Super Sentai
Gokaiger[]
Legend War[]
The Kakurangers fighting alongside the Hurricanegers, Gouraigers and Shurikenger in the Legend War.
Years later, Seikai fought alongside not only his own team, but every single Sentai Ranger in existence, against the Empire of Zangyack when it attacked the Earth in the Great Legend War. After fighting against hundreds of Gormin and their Sugormin commanders, Akarenger noticed the fleet moving towards them, he gathered all the Rangers together and gave them the order to sacrifice their powers to wipe out the first invasion's armada. The NinjaYellow powers are later used by Luka Millfy via the Ranger Keys. TV STORY-Ep. 1: The Space Pirates Appear MOVIE STORY-Gokaiger Goseiger Super Sentai 199 Hero Great Battle
Farewell Space Pirates[]
After the Zangyack's final defeat, Marvelous returned the Ranger Keys to their original owners. It is assumed Seikai, Tsuruhime and their teammates have their powers once again and will work alongside Ninjaman to cut down evil in the shadows once more. TV STORY-Final Ep.: Farewell Space Pirates
Super Hero Taisen[]
The Kakurangers, alongside the Carrangers, Zyurangers, Dairangers and Ohrangers, emerge through a dimensional wall.
Seikai, alongside his team (bar Ninjaman), among the majority of the Super Sentai heroes, was caught up in the "Super Hero Taisen" incident which eventually resulted in the Super Sentai teams and Kamen Riders
joining forces to defeat both Dai-Zangyack and Dai-Shocker. MOVIE STORY-Kamen Rider × Super Sentai: Super Hero Taisen
Zyuohger vs. Ninninger[]
The first 38 Sentai projected into Wild Tousai Shuriken King.
NinjaYellow appeared with his team among the first 38 Super Sentai whom collectively empowered Wild Tousai Shuriken King in its fight against the titanic Gillmarda, granting the Ninningers and Zyuohgers the power to perform the Zyuoh Ninnin Super Sentai Burst which destroyed Gillmarda with the combined power of all 40 Super Sentai. MOVIE STORY-Doubutsu Sentai Zyuohger vs. Ninninger: Message from the Future from Super Sentai
Super Sentai Strongest Battle[]
Seikai joined the Super Sentai Strongest Battle as a member of Big Eater Team. It’s unknown whether he participated in the match, but his team was eliminated after losing the first round against the Gilded Team.
Zenkaiger[]
Kakuranger in Zenkaiger
A manifestation of NinjaYellow was summoned alongside his team after Zenkaizer used the Kakuranger Sentai Gear so that he and the Zenkaigers could escape Stacy and his summoned Sentai Teams. TV STORY-No. 7-kai! The Prince of the Demon World is Short-Tempered!
A manifestation of NinjaYellow was summoned by Hakaizer through the Zenryoku Hakai Gun to help fight the Zenkaigers. TV STORY-No. 30-kai! Is the Machine Next Door Persimmon-Eating Destruction?!
Kikai Sentai Zenkaiger vs. Kiramager vs. Senpaiger[]
NinjaYellow was summoned by Kaito through the Zenryoku Zenkai Cannon to help deal with the meal prepared by Beef Rib World. MOVIE STORY-Kikai Sentai Zenkaiger vs. Kiramager vs. Senpaiger
Personality[]
Seikai is driven by desire for food, sleep, video games, and especially women. While all the Kakurangers seek to impress Tsuruhime, Seikai in particular expresses the greatest admiration for her, often putting himself in great danger to protect or save her. He is indecisive, but has unusual strength inherited from his ancestor. He corresponds to Zhu Bajie/Cho Hakkai.
Forms[]
NinjaYellow
Powers and Abilities[]
Powers[]
to be added
Attacks[]
- Hidden Style: Triple Slash: NinjaYellow's signature sword technique, a triple energized slash in the formation of a triangle.
- Art of the Giant Illusion (巨大な幻想の術 Kyodaina Gensō no Jutsu): NinjaYellow creates a giant illusion of himself to attack his opponents.
- Hidden Style: Whirlwind (隠れ流旋風 Kakure Ryū Senpū):where NinjaYellow shoots a yellow tornado from his Kakuremaru.
- Echo Art
- Leaf Hiding Art (葉を隠の術 Ha o Kakusu no Jutsu)
Abilities[]
to be added
Weaknesses[]
to be added
Arsenal[]
- Doron Changer
- Secret Sword Kakuremaru
- Kakulasers / Laser Knives
- Shuriken
- Shinobi Knuckles
- Kakuranger Ball
- Shark Slider
Mecha[]
- Giant Beast General Yellow Kumard
- Beast General Fighter Battle Kumard
- Super Stealth Beast God Kumard
Appearances: Kakuranger Episodes 2-8, Movie, 9-22, Super Sentai World, 23-25, 27, 29-53; Ohranger vs. Kakuranger; Gokaiger Episode 1, 199 Hero Great Battle; Super Hero Taisen; Zyuohger vs. Ninninger
NinjaYellow! Seikai!
Giant Beast General Yellow Kumard (巨大獣将イエロークマード Kyodai Jūshō Ierō Kumādo): NinjaYellow's Juushou form, armed with the Kumard Claw, with which he can entangle and grab enemies. It can perform the 'Kakureryuu Ninpo Kaen Rin' (Hidden Style Ninja Magic Flaming Ring), a hoop of fire. Forms Muteki Shogun's right leg. Its name is a pun on the Japanese word for bear (熊 kuma).
Beast General Fighter Battle Kumard (バトルクマード Batoru Kumādo): Ninja Yellow's Juushou Fighter form, armed with the Kumard Head (クマードヘッド Kumādo Heddo).
Relationships[]
Allies[]
Rangers[]
- Kakurangers - Teammates
- Fiveman
- Jetmen
- Zyurangers
- Dairangers
- Ohrangers
Family[]
- Seikai Miyoshi - Ancestor
- Goro - Adopted Son
Others[]
- † Sandayuu Momochi - Mentor (deceased)
- Chief Counsellor Naoyuki Miura
Enemies[]
Villain Groups[]
Yokai Army Corps[]
- Daimaou
- Young Noble Junior
- Professor Yugami
- Nue
- Yama-uba
- Daibarabotchi
- Flowery Kunoichi Team
- Dorodoros
- Flower Ninja Gabera
Evil Invasion Army[]
Galactic Imperial Army Zone[]
Dimensional War Party Vyram[]
Bandora Gang[]
Gorma Tribe[]
Machine Empire Baranoia[]
Space Empire Zangyack[]
Family[]
to be added
Others[]
to be added
Behind the Scenes[]
Portrayal[]
- Seikai is portrayed by Shu Kawai (河合 秀 Kawai Shū). As NinjaYellow, his suit actor was Hirofumi Ishigaki (石垣 広文 Ishigaki Hirofumi).
Design[]
to be added
Etymology[]
Seikai's name is derived from a famous ninja and also his ancestor, Seikai Miyoshi.
Legend Sentai devices[]
The NinjaYellow Ranger Key.
- "Kakuranger!"
- ―Mobilates' Gokai Change announcement[src]
The NinjaYellow Ranger Key (ニンジャイエローレンジャーキー Ninja Ierō Renjā Kī) is Seikai's personal Ranger Key and what became of his powers after he along with the rest of the 34 Super Sentai sacrificed their powers to end the Great Legend War.
This key along with the majority of the Ranger Keys were collected by the Red Pirates and later used by the Gokaigers. The NinjaYellow Ranger Key was mainly used by Luka Millfy (Gokai Yellow), who used it to fight as NinjaYellow.
- When the Gokaigers became the Kakurangers to escape from Action Commander Shieldon.
TV STORY-Ep. 32: One Power - When the Gokaigers became the Kakurangers while fighting against Action Commander Bibabu. TV STORY-Ep. 44: A Lovely Christmas Eve
- When the Gokaigers became the Kakurangers while fighting alongside Ninjaman against Action Commander Juju. TV STORY-Ep. 46: Hero Eligibility
The Kakuranger Keys, along with all the Ranger Keys of the first 33 Super Sentai, were briefly taken by the Black Cross King and turned into Ranger puppets that were fought by the Gokaigers and the Goseigers. The Kakuranger keys were defeated by Gokai Green. MOVIE STORY-Gokaiger Goseiger Super Sentai 199 Hero Great Battle
After Zangyack were finally defeated, the Gokaigers gave the Ranger Keys back to their rightful owners. Seikai received his key and became NinjaYellow once more. TV STORY-Final Ep.: Farewell Space Pirates
Usage[]
.png "Gokai Change-Kakuranger (Episode 32).png (1.34 MB)")
.png "Gokai Change-Kakuranger (Episode 44).png (2.78 MB)")
.png "Gokai Change-Kakuranger (with Ninjaman).png (2.69 MB)")
Kakuranger Avataro Gear
The Kakuranger Avataro Gear could be used by any of the Core Donbrothers to transform into their respective Kakuranger counterpart. It could be used by Haruka Kitou to transform into NinjaYellow.
Notes[]
- As is a tradition among Yellow heroes since the original Kirenger, Seikai is shown to have an appetite for curry, eating as many as six bowls in episode 4. TV STORY-Ep. 4: The Youkai Policeman
Appearances[]
- Ninja Sentai Kakuranger
- Ep. 2: A Dangerous Lady
- Ep. 3: American Ninja
- Ep. 4: The Youkai Policeman
- Ep. 5: The Uneven Strange Games
- Ep. 6: The Eyeball Prince!
- Ep. 7: The Huge One
- Ep. 8: The Bakeneko's Shop!!
- Ninja Sentai Kakuranger: The Movie
- Ep. 9: Hidden Camera Live
- Ep. 10: Konakijiji: A Cry-Baby Goblin
- Ep. 11: Rags are the Best!
- Ep. 12: They Came Forth!! New Beast Generals
- Ep. 13: Fight Off The Bad Luck
- Ep. 14: I'm the Young Noble!!
- Ep. 15: Argh! Awesome Guys
- Ep. 16: The Red Monkey's Oni Extermination
- Ep. 17: The Demon Sword and Underwear!!
- Ep. 18: Hello, Mushroom-kun
- Ep. 19: The Hellish Trap in Darkness!!
- Ep. 20: The Flowery Kunoichi-Gumi!!
- Ep. 21: Monkey See, Monkey Does Finishing Move
- Ep. 22: I'll Make You Laugh
- Super Sentai World
- Ep. 23: Blitzkrieg!! The Strange White Bird
- Ep. 24: Ah, It's All Over
- Ep. 25: A New Departure!
- Ep. 27: The End Of The Muteki Shogun
- Ep. 29: History's First Super Battle
- Ep. 30: Reunion With a Traitorous Father
- Ep. 31: Behold!! A New Shogun
- Ep. 32: Don't Lick Me, Face Thief
- Ep. 33: The Village of Amanojaku
- Ep. 34: The Bride's Sandy Hell!!
- Ep. 35: The Three Punishment Sisters
- Ep. 36: The Hooligan Ninja!!
- Ep. 37: Karakasa Dance Queen
- Ep. 38: Moo... A Repulsive Cow
- Ep. 39: It's a Special Compilation!!
- Ep. 40: The Heisei Fox Battle
- Ep. 41: The Stray Ghost
- Ep. 42: The Plundered Ninja Power
- Ep. 43: The Last Day of the Three God Generals
- Ep. 44: The Wound-Filled Great Reversal
- Ep. 45: The Hasty Santa
- Ep. 46: The New Year's Manga Hell
- Ep. 47: The 100-Burst Human Fireworks
- Ep. 48: The Great Snow Woman's Snowball Fight
- Ep. 49: Suddenly!! Poor
- Ep. 50: Special Selection!! The Youkai Inn
- Ep. 51: Hero Elimination
- Ep. 52: Finale!! Father and Daughter
- Final Ep.: Sealing!!
- Chouriki Sentai Ohranger: Ole vs. Kakuranger
- Mirai Sentai Timeranger
- Super Sentai Compilation (archive footage only)
- Hyakuju Sentai Gaoranger vs. Super Sentai (archive footage only)
- GoGo Sentai Boukenger vs. Super Sentai (archive footage only)
- Kaizoku Sentai Gokaiger (as NinjaYellow only)
- Kamen Rider × Super Sentai: Super Hero Taisen (as NinjaYellow only)
- Doubutsu Sentai Zyuohger
- Ep. 29: The Monarch of the Monarchs (transformed archive footage only)
- Doubutsu Sentai Zyuohger vs. Ninninger: Message from the Future from Super Sentai (as NinjaYellow only)
- Kikai Sentai Zenkaiger (as NinjaYellow only)
- Ninja Sentai Kakuranger: Act Three - Middle-Aged Struggles
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Super Sentai Battle: Dice-O[]
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NinjaYellow as depicted in Super Sentai Battle: Dice-O.
- Profile
- Seikai/NinjaYellow: to be added
Super Sentai Battle Base[]
NinjaYellow is among the vast pantheon of Rangers which are available in the mobile game Super Sentai Battle Base.
Super Sentai Legend Wars[]
NinjaYellow Card
NinjaYellow appears with his team among all Sentai in the mobile game Super Sentai Legend Wars.
See Also[]
- Tideus - Power Rangers counterpart in Mighty Morphin Alien Rangers. See comparison page.
- Aisha Campbell - Power Rangers counterpart in Mighty Morphin Power Rangers (Season 3). See comparison page.
- Haruka - First Yellow Sentai ninja
External Links[]
References[]
Footnotes[]