The property did have an OVA back in 1994 and it had a TV series in 2000 that ran for almost a year.
With the main series for Magic Circle getting underway this week, Kadokawa also has some shorts that they’re showing on AT-X and Hikari TV in Japan as well as streaming with Guru Guru Puchi Anime Gekijō.
The property comes from Hiroyuki Etou and ran for about a decade back from 1992 to 2003 where there were sixteen volumes produced.