Kinnikuman II Sei

Ultimate Muscle

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Alternative Titles

Synonyms: Kinnikuman Nisei, Kinnikuman Second Generations, Ultimate Muscle: The Kinnikuman Legacy
Japanese: キン肉マンII世
English: Ultimate Muscle
More titles


Type: TV
Episodes: 51
Status: Finished Airing
Aired: Jan 9, 2002 to Dec 25, 2002
Premiered: Winter 2002
Broadcast: Wednesdays at 18:00 (JST)
Studios: Toei Animation
Source: Manga
Genres: ComedyComedy, Sci-FiSci-Fi, SportsSports
Theme: Combat SportsCombat Sports
Duration: 24 min. per ep.
Rating: PG-13 - Teens 13 or older


Score: 6.911 (scored by 93689,368 users)
1 indicates a weighted score.
Ranked: #45952
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #5118
Members: 17,950
Favorites: 63

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Ranked #4595Popularity #5118Members 17,950
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Episodes: /51


Kinnikuman II Sei takes place several years after the events of the original Kinnikuman. Mantarou Kinniku is the 59th prince of Planet Kinniku and son of the renowned wrestler, King Suguru. Lazy, immature, and cowardly, Mantarou seems to have little in common with his heroic father.

When a powerful group calling themselves the dMP threatens the Earth, only someone as powerful as Kinnikuman stands a chance against them. Not knowing the current whereabouts of the King, a plan is formed to have his son Mantarou take up the mantle. The idea of fighting super villains does not sit well with Mantarou, who initially runs away from his duty. He flees to Earth where he encounters Meat, his father’s old trainer. Despite Mantarou's shortcomings, Meat sees King Suguru in him, and believes he can set the prince on the right path. Thus begins Mantarou's journey to better himself and save the world.

Characters & Voice Actors


Imazawa, Tetsuo
Episode Director
Kasai, Osamu
Episode Director


Opening Theme

Apple Music
Amazon Music
Youtube Music
"HUSTLE MUSCLE" by Yougo Kouno

Ending Theme

1: "Ai no Muscle (愛のマッスル)" by The Permanents (eps 1-26)
2: "Koi no My Chop!! (恋のMy chop!!)" by Yumena Yokosuka (eps 27-51)


Jan 24, 2017
Kinnikuman Nii-sei, most known as Ultimate Muscle in the West, is the follow-up sequel to the Yudetamago's classic Kinnikuman. Manly and action packed like its predecessor, however it still lacks the originality and epicness of the first series in my opinion. This series was the only "Kinnikuman" trademark anime that was released outside Japan towards the majority of the West (Latin America and France had the original Kinnikuman TV series running) so many of the viewers were unaware that there was an original Kinnikuman series that aired years before Ultimate Muscle. The original manga was released in 1979 (TV series in 1983) and this sequel ...
Dec 29, 2023
Mixed Feelings
It's a downgrade from the manga its still not the best in manga form , the show drags a lot in many episodes , its not as good as the original, nor is it itself a good anime by itself , the animation is better than the 80'S show , pros animation, cons the censorship, and filler , its not that bad , but not that good either , it's mid anime adaptation plus Mantaro loss in the manga , its a mix feelings , its not unique as a Seinen turn shonen anime , its ...
Aug 31, 2022
Well, that was a disappointing watch. You see, while Kinnikuman is a goofy franchise, its serious fights are too an important factor. This is even more important for Kinnikuman II, as the manga is more serious with some surprisingly graphics imagery. One would therefore expect that this difference between original Kinnikuman and Kinnikuman II would be retained in the anime versions, right? Wrong.

If anything, the anime version of Kinnikuman II is even more goofy. I’m talking about story with not only straight out murder but brutal dismemberment and gore being turned into fart joke extravaganza. The damage in fights which as I’ve mentioned is ...

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