Kaoru Shiba (志葉 薫 Shiba Kaoru) is Shinken Red (シンケンレッド Shinken Reddo) of the Shinkengers. She is the true 18th head of the Shiba House, a position that Takeru was holding in her place. She is referred to by her vassals and servants as Princess (姫 Hime). She is also identified as Princess Shinken Red (姫シンケンレッド Hime Shinken Reddo) to distinguish her from Takeru.