Clannad is set in a high-school located in some Japanese town. Okazaki Tomoya is a third-year student who doesn't take his studies seriously. Always late for class, he's seen as a delinquent by the rest of his classmates who are busy preparing for their entrance examinations. Needless to say, he hasn't too many close friends either.
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.