Kyōkotsu (狂骨)

Name Meaning

Overview

Kyōkotsu (狂骨) means “crazy bones” or “mad skeleton,” referencing the deranged spirit of a forgotten corpse.

• Kyō (狂) = madness, insanity
• Kotsu (骨) = bone

Origin

• Appears in Edo-period yokai scrolls and folklore texts.
• Represents spirits who received improper burials and became vengeful.
• Often tied to urban legends surrounding haunted wells.

Appearance

• Resembles a human skeleton rising from a dark, damp well.
• Glowing or sunken eye sockets, with cursed or broken limbs.
• Can appear misty or solid depending on the legend.

Behavior & Myths

• Haunts wells where bodies were discarded or forgotten.
• May curse those who disturb the well or drink its water.
• Sometimes emerges to grab or possess unsuspecting victims.

Symbolism

• Embodies neglect and spiritual injustice.
• A warning of the consequences of improper burial and forgotten dead.
• Acts as a symbol of retribution from the ignored and dishonored.