It is a bit ambiguous in this case.
The anime finished after the manga:
Anime finished: January 21, 1994
Manga finished: March 22, 1990
... But we could not confirm the source content in MangaUpdates.
Here you have all the anime relations we detected ordered by release date, so you can see the reason for this status in context and also use it as watching order.
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Mai Waku runs a company that deals with supernatural issues.
However, her work life is complicated by the fact that she often finds herself in compromising situations, frequently ending up unclothed in front of clients.
The anime follows Mai as she attempts to solve supernatural problems for various clients, ranging from famous personalities to everyday people, all while struggling to maintain her composure and clothing in these awkward scenarios.