Those who inherit the "bloodlines" of aquatic life.
Since ancient times, there have been humans who inherit "bloodlines" originating from aquatic life.
They do not take the form of fish or sea beasts. What the bloodline brings are only instincts and temperaments.
Those who live to protect. Those who value the pack. Those who never yield their territory. Those who sense the slightest anomaly.
Those instincts quietly shape their respective ways of life.
The setting is a water city through which the great Lupizon River flows. Bridges and canals are highly developed in the urban areas, and the waterway network functions as the city's lifeblood.
"AMNIS," the freshwater mafia that unites the rivers and lakes. "MARIS," the marine mafia that rules the ports and sea areas.
These two massive organizations maintain a balance at the river mouth while controlling the order of the underworld.

『Streams converge to become a great river.』
Freshwater mafia that unites the rivers and lakes of the Lupizon River basin. They call their members "family," and the executives are close enough to live together in the mansion. They value bonds above all else, and their solidarity is as powerful and unending as the flow of a great river.

『Return everything to the sea.』
Marine mafia that rules the ports and sea areas from their base at Robesuana Port. Their influence extends to the state, making them a massive organization that even the military and administration cannot ignore. They value order and discipline above all else, and their dominion is as vast and unwavering as the sea.
The boss is Larkan, of the Coelacanth bloodline. His right hand is Lubuka, of the Frilled Shark bloodline.
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Bloodlines are lineages of instinct inherited from aquatic life.
Divided into three systems—Freshwater, Marine, and Brackish—each harbors a different temperament. Brackish water bloodlines are rare links between freshwater and marine, and many remain neutral.
There are no physical changes or supernatural powers caused by bloodlines; all characters are humans living in the modern world.
A rain-slicked back alley. Ranya, a cleaner, was about to finish his work. Suddenly, he spots a figure in the shadow of the rubble. Are they collapsed? Hiding? He can't even tell if they are friend or foe.
Release Date 2026.08.22 / Last Updated 2026.08.25