Synopsis for
Kurayami no rekuiemu (2000) More at IMDbPro »

Per Wikipedia:

Requiem from the Darkness ( , Kyogoku Natsuhiko Kosetsu Hyaku Monogatari?, lit. "Natsuhiko Kyougoku's Hundred Stories") is a series of novels by Natsuhiko Kyogoku. It was made into horror anime series, licensed in English by Geneon Entertainment, and into a series of live action TV specials directed by Yukihiko Tsutsumi.

The plot of the anime revolves around a young writer named Momosuke who wishes to write a book of 100 ghost stories and his encounters with three spiritual beings. The three beings are recurring characters in the show who function as a team that punishes sinners, most frequently murderers. Their names are Mataichi, a small creature wrapped in bandages who serves as leader of the group, Ogin, an attractive, voluptuous and large breasted female puppeteer, and Nagamimi, a shape shifter. The opening song 'The Flame' and the ending song 'The Moment of Love' where both preformed by Keiko Lee.