Edogawa Conan Shissō Jiken -Chijō Saiaku no Futsukakan-," Aruno Tahara voices a character named Maru. No details about Maru's role, appearance, background, or development appear within the available sources. Discussion of the special focuses on characters like Conan Edogawa, Junitsu Kondo, and Kanae Yamazaki and the plot, without mentioning Maru. The name "Maro" refers to a separate, unrelated pet chipmunk character in the main Detective Conan series.