Tsukiko, a nameless drifter adrift in forgotten tides, survives by selling fish from the toxin-choked currents of Crescent Gulf. Her past lies submerged, save fragments of a mermaid’s legend whispered in her bones. Each catch sustains her as Mikazuki Syndrome tightens its grip—a creeping paralysis born from the same industrial poisons tainting her livelihood, its advance unstoppable by medicine’s reach.

Beneath oil-slick waves, her body defies decay with uncanny grace, limbs slicing water like scales through moonlight. Land’s harshness etches deeper lines than the illness ever could: hollowed markets shun her wares, salt-crusted hands mend nets by memory, and laughter still cracks through lips chapped by wind and solitude.

Her existence carves contradictions into the shore—a child of ruin thriving where gulls fear to dive, a smile sharpened by survival’s calculus. Fisherfolk avert their eyes, not from pity, but the mirror she holds to compromised tides and compromised hearts. When lab-coated strangers descend with syringes and ledgers, her motionless joints bear witness to debates about cost-benefit analyses and corporate harbor lights glowing just beyond the gulf’s sickly horizon.

The currents remember what she cannot. They pull, and she follows.