Eiji Otsuka is a Japanese author and manga writer, known for his contributions to the world of graphic novels and comics. He has gained recognition for his unique storytelling style and ability to blend various genres, often incorporating elements of mystery and psychological themes. His works have been influential in shaping contemporary manga. Otsuka is perhaps best known for his collaboration with artist Hiroshi Hirata on the series Shinya Shokudo, which explores the lives of people in a late-night diner. His writing often reflects social issues and human emotions, making his stories relatable to a wide audience.