A rescue mission becomes an investigation into a covenant that has survived for generations.
The search for Shunka
Idate Kōhei travels to Nagisa after his wife, Shunka, disappears while investigating reports of cult activity.
The village he finds is ruled by the Cult of Shiobo-gami, whose rituals promise calm waters and abundant harvests in exchange for human sacrifice.
As storms close around the coastline and the village prepares another Daughter’s Return, Kōhei must find Shunka before she becomes part of Nagisa’s covenant with the sea.
A story that stands alone.
Shores of Ashen Tides connects to the wider Black Omens universe while remaining accessible as a standalone story. What happens in Nagisa reveals events that later shape Idate Chiyo’s life.
06 / Bound by more than blood
Two lives. One dark tide.
Development concept art · Subject to change
Main protagonist / 伊達 黄平
Idate Kōhei
A disciplined military scout whose strengths lie in observation, survival and battlefield judgement rather than overwhelming strength.
When Shunka disappears while investigating cult activity around Nagisa, Kōhei follows.
His training prepared him for human enemies. Nagisa is something else.
↗Idate Kōhei · character turnaroundDevelopment artwork · Subject to change
Development concept art · Subject to change
Supporting protagonist / 立花 瞬花
Tachibana Shunka
Shunka is an experienced investigator with an unusual sensitivity to the thoughts and presence of others.
Her disappearance brings Kōhei to Nagisa, but her connection to the village runs deeper than either of them understands.
↗Tachibana Shunka · portrait studiesDevelopment artwork · Subject to change
From the art desk
The people behind the story.
Explore the artwork. Select an image to view it at full size.
↗Idate Kōhei · costume explorationsDevelopment artwork · Subject to change↗Tachibana Shunka · character developmentDevelopment artwork · Subject to change↗Idate Kōhei · full character conceptDevelopment artwork · Subject to change↗Village character studyDevelopment artwork · Subject to change
05 / The faith beneath the water
潮母神
Mother of the Tides
Shiobo-gami
The cult’s oldest stories tell of a mother who walked into the sea during famine so her village might live.
The next morning the waters returned full of fish. The villagers believed she had not died. She had become the sea.
To her followers, Shiobo-gami represents nourishment and oblivion — the tide that gives and the tide that takes back.
Where devotion meets the tide.AI-generated concept illustration · Not gameplay footage
Stay close to the shore
Follow the tide.
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