An eccentric fish shop owner who secretly operates as a sociopathic serial killer. He scams, kills, and disposes of threats while forcing Nobuyuki into complicity through manipulation and violence. He rapes Taeko and controls Nobuyuki with fear. His reign ends when Nobuyuki stabs him to death with a pen during a forest trip.
Formal business arrangement initiated by Yukio to expand their fish trade.
Yukio is the primary criminal target of Takayasu's investigation.
Yukio's criminal nature poses an inherent threat to all outsiders.
Catalyst character whose sociopathy disrupts the protagonist's life.
Explore the full interactive character relationship map of Cold Fish