Dororonpa! (1991)
Original title: どろろんぱっ
Dororonpa! is a 1991 Japanese-language animation series. It stars Fuyumi Shiraishi, Yuriko Fuchizaki and Tamao Hayashi.
Komachi is a little ghost who died during the Meiji Era and has hung around earth as a wandering spirit girl for over a hundred years. Komachi appears in the room of a young girl named Anko and the two get wrapped up in all sorts of adventures involving other ghosts and demons.