Sora-te baka ichidai (1977)

The last of the Masutatsu Oyama trilogy. Oyama takes a job as a professional wrestler in Okinawa, but when he discovers that he is expected to take a dive, he quits in disgust. However, when a friend finds herself in desperate need of medical supplies, Oyama steps back in the ring to raise the money—but will he be able to follow the script this time?