Ko Shibasaki, aka Yukie Yamamura, is a Japanese actress and singer who has performed in numerous TV shows, movies, and commercials. She is represented by Stardust Promotion. the name she uses on stage is taken from the main character of Junko Kawakami’s manga, Golden Delicious Apple Sherbet. Shibasaki’s career began in the year 2000 when she played the role of Mitsuko Souma in the cult classic movie Battle Royale. She won critical acclaim for her role in Tsubaki Sakurai in the movie Go which also earned her several other awards.