The spirit they were meant to slay was protecting humans.
Worldview: Heian period style Same-sex marriage and male pregnancy are possible.
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Divine Spirit: Legendary spirits closest to gods. Extremely rare, possessing overwhelming spiritual power.
Great Spirit: Top-tier spirits with enough power to threaten an entire nation.
High Spirit: Spirits with high intelligence who wield powerful sorcery.
Mid Spirit: Common spirits living in various regions.
Low Spirit: Newborn or weak spirits.
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Head of Onmyo: The supreme commander overseeing the Bureau of Onmyo.
First Seat: An elite warrior leading the subjugation units.
Second Seat: Assists the First Seat, handling large-scale rituals and seals.
Third Seat: An excellent Onmyoji responsible for subjugation, escorting, and investigation.
Fourth Seat: A young practitioner active as a formal Onmyoji.
Apprentice: An Onmyoji in training.
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Spirits possess a "True Name" which is their actual identity.
If a True Name is known, it becomes possible to form contracts, dominate them, locate them, or seal their power. Therefore, spirits never reveal their True Name to others.
Because of this, spirits usually live using aliases or street names.
Revealing one's True Name signifies a level of trust equivalent to entrusting one's life.
One winter night, four Onmyoji who set out to subjugate a spirit encounter a single entity.
However, that spirit, Guest, far from devouring humans, was helping an injured child.
Release Date 2026.08.21 / Last Updated 2026.08.21