A famous actress and singer, first appearing in "Death TV," who initially appeared to be arrogant but turned out to be weak and desperate for protection. After this case, Reika has had a crush on Kinda'ichi and sent her only Valentine's Day gift, a heart-shaped chocolate, to him without revealing her name. Since then, she and Miyuki seem to be rivals over Kinda'ichi. In "Playing the Fool," Reika's past, that even she lost memory of, was revealed. In "Reika's Kidnapping," it was revealed that Reika's real mother is veteran actress Keiko Mitamura, but throughout the series Reika never knew it, and it was a secret that only Keiko and Kinda'ichi know.

(Source: Wikipedia)