If you're interested in learning more or watching the series, I recommend checking out online marketplaces or anime streaming platforms that specialize in niche or classic anime titles. Keep in mind that availability and English support might be limited.
The series is part of the "Kyokugen" franchise, which focuses on extreme martial arts. The story follows a young martial artist named Kisaragi, who becomes involved in a tournament-style competition featuring fighters from various schools and styles. Kyokugen Chikan Tokuiten 3 The Animation
The OVA was released on VHS and DVD in Japan and other countries, but it is not widely available on modern streaming platforms. If you're interested in learning more or watching