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Aobōzu (Blue Monk)

ah-oh-BOH-zoo

Aobōzu (Blue Monk)

Aobōzu (Blue Monk)

Their soul is listening — speak, and they will answer.

Basic Description

Aobōzu is a catch-all name recorded across Japan for several kinds of yokai; its appearance and nature vary by region. It is often described as a large monk-like figure, a blue-skinned priest, or a one-eyed monk. Toriyama Sekien depicts it in Gazu Hyakki Yagyō without commentary, leaving details uncertain. Traditions range widely, including animal shapeshifters, beings linked to mountain deities, and figures used to warn or discipline children.

Folklore & Legends

In Wakayama, people speak of a towering, blue, shadowy monk. In Fukushima, Gifu, and Hiroshima, it is said to be a transformed weasel or tanuki. In Shizuoka, a springtime twilight taboo tale warns that it abducts children from fields. In Nagano, it appears if one circles a pine seven times while holding their breath, declaring, “Don’t step on stones; don’t break pines.” In Okayama, it is a great monk haunting vacant houses. In Yamaguchi, a small monk serving the mountain god challenges people to sumo. In Kagawa, it tempts women toward suicide. Sekien’s image shows a one-eyed monk; scholars point to the hitotsume-bō (one-eyed monk) as a likely source.

Yokai Cards1

Aobōzu (Blue Monk) across multiple art-style decks

Card gallery

Related Yokai

Yokai deeply tied to this one in legend.

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Detailed Analysis

Character Profile

This section is our own creative profile for storytelling. It is not historical fact or scholarship.

Rarity
Rare

For more detailed information and diagnosis results about 山野の一つ目法師・青坊主, please click here.

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