Reika Hayami

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 Kindaichi and sent her only Valentines Day gift a heartshaped chocolate to him without revealing her name. Since then she and Miyuki seem to be rivals over Kindaichi. In Playing the Fool Reikas past that even she lost memory of was revealed. In Reikas Kidnapping it was revealed that Reikas real mother is veteran actress Keiko Mitamura but throughout the series Reika never knew it and it was a secret that only Keiko and Kindaichi know. Source: Wikipedia