Transfer student Takisawa Noboru quickly learns that all disputes at his new school are settled in the boxing ring. Now he finds himself in a series of showdowns with the local top dog, Ibuki Saburo, for the love and respect of the beautiful Yukari. (Source: ANN)

While performing in a movie at Toei Eigamura, Kinnikuman suddenly disappears. Somehow, he has been sent to Edo Period Japan. In Edo Japan, a villain called Shuten Douji (朱天童子) is threatening to destroy the Earth if he is not given Princess Mari. Always willing to impress a pretty girl, Kinnikuman immediately vows to destroy Shuten Doji. He disguises himself as Princess Mari and goes to meet Shuten Doji, but Shuten Doji and his Big Four (四天王, Shitennou) see through Kinnikuman's disguise and beat him up. Aware of Kinnikuman's situation, Terryman, Robin Mask, and the other Seigi Choujins travel to Edo Japan (via Kinkotsu-obaba's powers). (Source: Kinnikuman Wiki)

Meat-kun has been kidnapped by Iron Mask. In order to save Meat-kun, the treasure of Inmora Island is needed. Furthermore, the treasure is hidden in the Seven Story Tower, which is guarded by the brutal Senshi Choujins. When Kinnikuman asks Terryman and the Seigi Choujins to help him, for some reason they all refuse. Alone, Kinnikuman heads to Inmora Island to fight the Senshi Chōjin and is overwhelmed by their great numbers. (Source: Kinnikuman Wiki)

While Kinnikuman is on vacation with Mari-san's kindergarten class at Easter Island, the young wheelchair-bound Kouichi-kun laments being with an idiot like Kinnikuman, preferring to instead be with his favorite Seigi Choujin Buffaloman. Meanwhile, the other Seigi Choujins are also vacationing at ancient landmarks. (Source: Wikipedia)

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As the whole world watches the Choujin Rugby game on TV, the "Underground Space Emperor" Hydra King has his Underground Space Supermen kidnap Robin Mask. Their aim is to lure out the Seigi Choujins and then attack them using the Robin Memo, which contains info on all of the Seigi Choujin's weaknesses. Watching on TV all over the world, Kinnikuman and the Seigi Choujins get together and head for Planet Hydra. (Source: Kinnikuman Wiki)

Terryman, Robin Mask, and the other Justice Choujins are participating in a tournament in New York. Suddenly, Akuma Shogun (not the same as the guy from the series) arrives and defeats all of the Justice Choujins and absorbs their power... all except Kinnikuman (who was late for the tournament because he was busy eating gyuudon). Now Kinnikuman must defeat Akuma Shogun, whom now posseses the combined strength of all the Justice Choujins.

Two years before the start of the series, Roberto "Coach B" Sebastián, Sr.'s son, Roberto "Basti" Sebastián, Jr., was killed by a gunman from a large syndicate which brought down the Barangay 143's Powerhouse team and led to today's events. Bren Park, a player for a Korean basketball team, had lost recently his family in a tragic accident during a snowstorm in South Korea that led him to quit basketball. However, following a revelation that he was his mother's child to a Filipino man, Bren went to Manila to search for him. Along the way, he joined a local basketball team, the Puzakals of Barangay 143.

Horiguchi Genki was 5 years old boy. His mother died when he was born, and he was raised only by his father. His father, Shark Horiguchi, was a professional boxer, but he was ruined and become an itinerant boxer. However, Genki believed his father was strong and he would become a champion, and he had a dream to become a strong boxer as his father. After his father’s death, he was adopted by his grandparents. Although they opposed Genki boxing, Genki made up his mind to become a boxer, and he continued training secretly. Meeting with various people, for example, Teacher Ashikiwa who resembles his mother, Mishima who is a high school boxing champion, he made his way to be a boxer. (Source: AnimeNfo)

Sequel to the Rokudenashi Blues movie.