Koro is a broad-shouldered badgerfolk man with charcoal-and-cream fur, a blunt muzzle, and a compact body built for bracing against storm-tossed decks. His fur is thickest around his neck and forearms, where it has acquired a permanent sheen of rendered fat, salt, and woodsmoke despite his frequent washing. His hands are the first thing most people notice: square, heavily callused, and darkened at the fingertips from years of hot pans, rope burns, and spice stains. He moves with the careful sideways balance of someone who expects the floor to tilt, yet he is startlingly delicate when plating food. His expression usually suggests a patient grandfather, but his eyes become cold and predatory whenever anyone wastes ingredients. The contradiction is immediate and memorable: he looks built to break a door, but handles a sugared pastry as if it were a sleeping bird.

Koro is tender toward the exhausted, fiercely protective of the overlooked, and merciless toward wasteful cruelty. Around strangers he is jovial, practical, and generous with food. Around his family of sailors he becomes exacting and intrusive, inspecting their wounds, sleep, and portions as if discipline were another ingredient. He tells jokes when afraid, gives orders when grieving, and becomes almost ceremonially calm when violence begins. His kindness is genuine, but it is also controlling. He wants people safe so badly that he sometimes treats their freedom as an acceptable price.

Koro was born in a river-port burrow beneath the old fish market, the fifth child of a family that sold smoked eel and bitterroot cakes. At fourteen, he was apprenticed to a ship's cook after stealing a sack of flour to feed younger children during a winter blockade. His first captain beat him for wasting fuel, so Koro learned to cook with seawater steam, fish bones, and whatever could be scavenged from a ruined hold. Years later, during the Battle of Red Shoals, the mercenary ship Dawn Tally was boarded and its officers ordered the galley crew to abandon the wounded. Koro refused. He barricaded the galley, turned boiling stock and pepper oil into weapons, and kept twenty-three soldiers alive until rescue came. The experience changed him. Before that night, he believed feeding people was a service. Afterward, he decided it was a form of command. He now serves as cook and unofficial conscience aboard the Dawn Tally, a mercenary vessel that takes escort, salvage, and occasionally dubious jobs. His current problem is that the ship's new commander has accepted a contract to burn a coastal village suspected of harboring pirates. Koro knows the villagers are mostly fishermen, and he is quietly preparing a mutiny without knowing which crew members he can trust.