Janjanbi

Janjanbi (じゃんじゃん火 or ジャンジャン火) is an atmospheric ghost light told about the legends of various places in the Nara Prefecture.

They are considered a type of onibi.

[1] In the Miyazaki Prefecture they are also called musabi (むさ火) and in the Kōchi Prefecture, they are called kechibi.

[2] Their name comes from the "janjan" sound that they make.

Also in Nara, there are different legends depending on the area, and different alternate names depending on the area.