Legend of Duo is a tV short anime that premiered in spring 2005, produced by mobanimation.

About the production: the story comes from an original script, there are 12 episodes of about 5 minutes and its current status is "finished".

Its main genres are drama and supernatural, with themes such as Vampire and Primarily Male Cast.

On AniList, Legend of Duo has an average score of 38%, an average score, and appears on 2,046 users' lists.

In 2000s, human beings have lost their purana, which are essential for living thing. It means that the human species is goinig to die. However, there is a vampire who saves human beings from extinction by revealing the secret of purana. In a mythical era, there was a god who was punished eternally because he had brought the fire to the human beings. Like him, the vampire will be punished because he breaks the taboo to tell the secret of purana to human beings. That vampire is named Duo, and the vampire who punish him is Zieg. They used to be good friends...

Official synopsis from AniList.