Kosuke and Rikimaru: Dragon of Konpei Island
Kosuke and Rikimaru: Dragon of Konpei Island was a 45 minute long anime TV special produced by J.C. Staff and broadcast on Japanese television in 1988. Similar to Dragon Ball, it was a martial arts adventure story featuring villains that could have stepped out of the Red Ribbon Army, typical Toriyama mecha, and a clone of Son Gohan's Haiya Dragon.
