The Keigo Higashino novel “Himitsu” (“The Secret”) is being turned into a live-action drama series this fall, starring Mirai Shida (17) and Kuranosuke Sasaki (42). The show will air in TV Asahi’s Friday 11:15pm time slot, starting in October. Published in 1998, “Himitsu” was nominated for the Naoki Prize and the Yoshikawa Eiji Prize, while...