Asobibi (遊火)

Everything recorded about the asobibi fits in a single bullet point. It sits in the Japanese Wikipedia article on the onibi, in the list of onibi types, and it says that the asobibi is an onibi said to appear in Kōchi city and at Mitaniyama in Kōchi Prefecture, below the castle and out over the sea; that it seems to appear right beside you and then flies far off; that one flame may split into several and gather back into one; and that it is said to do people no particular harm. Its only footnote is the Tosa Folklore Society’s Kinsei Tosa Yōkai Shiryō, early-modern Tosa yōkai materials, edited by Hiroe Kiyoshi, Tosa Minzoku Sensho volume 6, 1969, reprinted in Tanigawa Ken’ichi’s Nihon Minzoku Bunka Shiryō Shūsei volume 8 (San’ichi Shobō, 1988) at page 335.

That 1969 volume is real and properly catalogued, and it is held at Kōchi University, Osaka University and the International Research Center for Japanese Studies. It is a legitimate documentary collection. It is also the only one. Wikipedia plus Hiroe is one source, and no second independent root exists in any language.

So the record gives four facts: a name, a place, a behaviour and a verdict. Asobi-bi is playing fire, a flame that drifts for the sake of drifting. The places are Kōchi castle town, the sea beyond it, and Mount Mitani. The behaviour is the trick with distance and the dividing. The verdict is that it does no particular harm. There is no origin story, no encounter tale, no named witness, no date, no cure and no taboo.

Two strong corpora were searched and both came back empty, which is a finding rather than a gap. The Nichibunken Kaii-Yōkai Denshō Database, some thirty-five thousand cases, holds no asobibi card at all; its Kōchi fire records are the nobi, the kechibi, and unnamed kaika, including an umbrella-sized fire that bursts into dozens of stars and runs hundreds of ken above the ground, and the trick of summoning a fire by spitting on a sandal, all collected in 1931 and 1936. And the densely referenced Kōchi prefecture encyclopedia at yokai.jp, which names Katsurai Kazuo and Teraishi Masamichi as its local authorities and inventories ten Tosa yōkai, does not mention the asobibi. It is in neither the Tosa Obake Zōshi nor the Tosa Bakemono Ehon.

The extra colour that circulates online should be left alone. The line about a blue flame like a mari ball seen from a distance, vanishing five or ten chō in an instant and splitting into dozens, propagates word for word across a handful of blogs and two English mirror sites, one of which states outright that its sources are Wikipedia and another blog. None of it is traceable to anything printed.

The dividing and regathering is the detail a longer article would want to lean on, and it is the one detail that proves least. It is not distinctive to the asobibi. The Wakan Sansai Zue of 1712 already describes onibi in general as a blue torch-like light that scatters into several and gathers again, and Negishi Yasumori’s Mimibukuro tells the same of a fire on the Hakone road. Both are early sources for the whole category and neither mentions this name. Treating a trait shared by the genus as the signature of one species is exactly how a one-line entry gets inflated into an article.

What makes the name mean anything is the company it keeps, and that company is well documented. Tosa had a real and busy fire-lore: the kechibi and the nobi, the sandal-and-spittle summoning, the fires over the water below the castle. The asobibi is one named member of that complex, recorded once, and the honest version of this page says so and stops.

Frequently Asked Questions

What is the asobibi?

A ghost-fire recorded in Tosa, the old province that is now Kōchi Prefecture. It is said to appear close by and then suddenly be far away, and one flame may split into several and gather back into one. It is said to do people no particular harm.

Where does the name come from?

Asobi is play and bi is fire, so the name means roughly the playing fire: a flame that drifts for the sake of drifting rather than because it is the residue of a death or a grudge.

How much is actually recorded?

Four facts, in one bullet: the name, the places, the near-and-far behaviour with the splitting, and the statement that it is harmless. The footnote is a single 1969 volume of Tosa folklore materials, and there is no second source.

Is it dangerous?

The record says it does people no particular harm, which distinguishes it from most Japanese ghost-fires. Nothing in the source says it leads travellers astray or preys on anyone.

Is the splitting-and-regathering unique to it?

No, and that matters. The Wakan Sansai Zue of 1712 describes onibi in general as scattering into several lights and gathering again, and the same is told of a fire on the Hakone road. It is a trait of the whole category, not this creature’s signature.

Related Entries

Onibi, Ayakashi-no-ayashibi, Akurojin-no-hi, Hitodama, Sōgenbi, Basan, Ayakashi, Will-o’-the-Wisp, Feu Follet, Aleya