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Riki-Oh volume 1.jpg
Cover of the first volume.
Genre Martial arts, Post-apocalyptic, Adventure, Action, Drama
Written by Masahiko Takajo
Illustrated by Tetsuya Saruwatari
Published by Shueisha
Demographic Seinen
Magazine Business Jump
Original run 19881990
Volumes 12 (Japanese edition)
9 (International edition)
Original video animation
Directed by Satoshi Dezaki
Studio Magic Bus
Released June 25, 1989 - August 24, 1990
Runtime 45 minutes
Episodes 2
Wikipe-tan face.svg Anime and Manga portal

Riki-Oh (Japanese: 力王, Hepburn: Riki-Ō) is a manga which later adapted to two OVAs and a live-action film named Riki-Oh: The Story of Ricky.[1]

Created by Masahiko Takajo and Tetsuya Saruwatari, the story is about a young man who has learned the art of Qigong from one of Chiang Kai-shek's bodyguards and has become so strong that he can literally punch holes through people and solid objects. It was serialized in Business Jump from 1987 to 1990 and later published in 12 volumes.

Outside Japan, it was translated and published only in Hong Kong by Comicsworld in nine volumes. The only difference between the two editions, besides the different number of pages in each volume, is the absence of the short stories "Kirinji" and "N.Y. Dust", which are unrelated to Riki-Oh, in the Hong Kong edition.[citation needed]


The story is set in a post-apocalyptic future where global warming has devastated most of the earth and the world is suffering from an economic depression which led to increased crime.

The story centers around Saiga Riki-Oh, blessed with inhuman strength, who, after taking revenge against a yakuza who was responsible for the death of a child who befriended him (in the movie, it was his girlfriend who died), ends up in a maximum security prison owned by a private organization. The story follows Riki and his search for his little brother Saiga Nachi, who bears a Manji symbol on his right hand and also possesses superhuman strength.

Riki-Oh will encounter many deadly opponents with either superhuman strength or martial arts during his travel for avenging his mother and finding his brother.


Saiga Riki-Oh (雑賀力王, Saiga Riki-ō, meaning "Mighty King", "Power King", or "Strength King")

The main character of the story, he was separated from his younger brother Nachi since childhood and was adopted by the affluent Saiga family. He has a scar in the shape of the Star of David on his right hand which is the source of his great strength and skill. This scar is also a sign that he's destined to overthrow his real father.

Nachi (那智, meaning "What wisdom?" or "What reason?")

Gifted with strong telekinetic powers, he's the younger brother of Riki-Oh from whom he was separated when he was still a child, for which he holds a great deal of resentment for. He has a scar in the shape of a Swastika on his right hand since birth.

Mizuguchi (水口, meaning "Water spout")
Aku-Oh (悪王, Aku-ō, meaning "Evil King" or "Vice King")

An android that resembles Riki-Oh in appearance constructed by Obinata. It was sent on a mission to kill Riki-Oh but, after a long fight in a wood, it was accidentally sucked into quicksand with Riki-Oh with the latter surviving after having carved a shelter in the abdomen of the android.

Aneyama (姉山, meaning "Older sister mountain")

Washizaki (鷲崎, meaning Eagle Cape)

A general armed with an ancient blade infused with qi, Washizaki is an extremely capable fighter. Easily dodged Riki-Oh's punch once, and knocked him out with the weapon. Washizaki came to manipulate him later (thanks to his comrade Otto), but soon found himself at Riki-Oh's mercy and is killed by Nachi.

Robotomi 560SEL-Mark. II (ロボトミSEL-マークⅡ, Robotomi SEL-MākuⅡ)

A cyborg weighing 300 kg (661.4 lbs) who wasn't viewed by anyone other than Riki-oh as a real person. Originally he was a slave robot constructed from a human body. Becoming this way allowed him to work in a power plant in the Cape, an environment too intense for non-cybernetic humans. He volunteered as fighter in the Pankration, a death match show, in order to get revenge against the humans for denying his brethren freedom. It was after this he meets Riki-Oh, then is made to kill his friend, and nearly does, but after Nachi interferes and tries to kill him instead. After Riki-Oh saves him, he realises that his true enemy is Washizaki and tries to attack him, only to be bisected vertically by Washizaki's blade. Robotomi is known as Atomic Robo (アトミック・ロボ, Atomikku Robo) in the OVA.

Obinata (小日向, meaning "Facing the Little Sun" or "Toward the Little Day")

A scientist at the dependence of Aneyama.

The Baron (男爵, Danshaku) meaning literally "Baron"

He's the chief charged with the accomplishment of a plan whose goal is to accelerate the coming of Judgement Day. In order to achieve this goal, he needs to give birth to the so-called "child of destruction", a being created from the union of Nachi's head with the body of Riki-Oh.

Zhāng Shàn-Guǐ (張 善鬼, Chou Zenki, meaning "Good Stretching Ghost")

A Chinese man who stopped Riki's suicide attempt in front of his mother's grave, he later became Riki's sensei whom taught him the art of Qigong. He used to be Chiang Kai-shek's elite bodyguard.

Wáng Měi-Lì (王 美麗, Ō Birei, meaning "Beauty Queen")

Also known as Hisano Akiyama (秋山久乃, Akiyama Hisano). Riki-Oh and Nachi's biological mother, she was executed by hanging for allegedly poisoning thirteen infants twenty-five years ago. Before her death sentence, with help from a friend, Riki and Nachi managed to escape from prison. She foretold that one day her death will be avenged by her son and that evil will never conquer the good. Although Jewish and Japanese, she uses a Chinese name. Her birth name was Hanna, and was raised in Shanghai with her foster family.

Original Video Animations[edit]

Riki-oh was released as two OAVs. The first anime was called Riki-oh: The Wall of Hell (1989). The second one was titled Riki-oh: Child of Destruction (1990). The first one is a retelling of the prison chapters and the second is Riki's adventure to find his brother, Nachi, and stop his devilish cult following. Media Blasters have acquired the rights to rerelease the two OAVs in the United States on DVD, April 11, 2006, but has since let go of the licenses.[2]


External links[edit]