Eiji Okumura is a central character in the anime series Banana Fish. He is a young and kind-hearted Japanese photographer's assistant who travels to New York City. Eiji becomes deeply involved with Ash Lynx, the series' main protagonist, and the dangerous underworld he inhabits. Eiji's innocence and compassion provide a stark contrast to the violence around him, making him a stabilizing force for Ash. Throughout the series, Eiji's unwavering support and friendship become a source of strength and hope for Ash in his battle against his enemies.