TV Special
Description
Kanzou Mogi is a dedicated member of the Japanese Task Force investigating the Kira case. A tall and broad-shouldered man with short black hair, he typically dresses in a formal suit and maintains a reserved, silent demeanor that rarely reveals his thoughts. Even when he agrees with an opinion, he seldom voices it directly, preferring observation over dialogue.

Born on September 13, his abilities as an investigator are considerable. He is recognized by L as an invaluable asset in intelligence gathering and demonstrates remarkable efficiency, such as when he processes a massive volume of documents related to the Yotsuba Group in an exceptionally short time. Beyond his investigative skills, Mogi is capable in practical matters including cooking and housework. Despite his quiet nature, he possesses a notable talent for acting, which becomes evident during the Yotsuba Group infiltration. After Touta Matsuda stages his death, Mogi adopts the alias Kankichi Moji and assumes the role of Misa Amane's manager, performing with an uncharacteristically enthusiastic and cheerful personality that contrasts sharply with his usual stoic self.

Throughout the investigation, Mogi remains a steadfast presence among the Task Force members who continue the case after many officers resign. He follows Light Yagami under L's direction, and his surveillance proves significant when he discovers Light's connection to Misa Amane, helping narrow down the suspects for the second Kira. In the latter part of the story following Soichiro Yagami's death, Mogi becomes a target of Mello's scheme. Mello manipulates him into traveling to New York, intending to extract information, but instead directs him to the SPK headquarters where Near conducts an intense interrogation. Despite sustained pressure from both Near and Mello, Mogi remains completely silent as Light had prepared him beforehand, resisting all attempts to make him divulge information about the Task Force. When the SPK is attacked by Kira supporters, Mogi escapes alongside them. Near subsequently falsely announces Mogi's death, a deception that successfully prompts Shuichi Aizawa to share critical information about the Task Force's suspicions regarding Light.

As the investigation progresses, Mogi is among the first Task Force members to accept Near's theory that Light Yagami is Kira. He supports Aizawa's efforts to investigate Light by keeping watch over Misa Amane and remains with her until both are taken into custody by Near shortly before the final confrontation at the Yellow Box Warehouse, which he attends. His steadfast loyalty, understated professionalism, and tactical flexibility make him a reliable figure within the investigation team, even as he remains one of its most silent members. Characters within the story acknowledge his capabilities: L commends his competence from the outset, and Near expresses admiration for his fortitude when he refuses to speak under interrogation.
Cast