The BS-TBS drama franchise “Keitai Deka” is getting its third movie next year, starring the three most recent “Keitai Deka” heroines. As the title suggests (“Keitai Deka The Movie 3: Morning Musume Kyuushutsu Daisakusen! ~ Pandora no Hako no Himitsu”), the film will also feature idol group Morning Musume, acting together for the last time...