A short produced by the Kariya City Tourist Association of Aichi Prefecture to promote tourism. It tells the story of a high school ekiden (long-distance road relay running) club and its efforts to prepare for the ward tournament. Since the story takes place in Kariya, viewers will get an idea of the city through the backgrounds.

A special episode focusing on the story of Merm4id and Rondo, including a new, joint performance by the two groups.

Episode 0 of Madan no Ou to Vanadis: Tigre-kun to Vanadi-chu.