Isamu Kenmochi  

Ossan, 剣持 勇

A Tokyo police inspector who met Kindaichi during their first case together was so impressed with the young detective's skills that they have been supporting him unwaveringly ever since. The inspector frequently serves as the lead officer on Kindaichi's cases and provides the necessary official approval for him to continue his investigations. The inspector has complete faith in Kindaichi's abilities.