The original was a 4 episode OVA released in 1988 and later adapted into a 26 episode series released in 1997.
In Japanese, Miyu means beauty of the evening / beautiful evening / evening beauty.
The name Larva is taken from Roman mythology, which like Lemures refers to a restless spirit of the dead. Many of the Western Shinma appearing in the series follow a naming convention drawn from various European demons and spirits. Larva's name and signature mask also have been inspired from the White, ghostly Venetian Carnival mask Larva also called Volto.
Most locations in the series are evocative of traditional Japan.