Haruka Shimazaki is a Japanese actress, singer, and former member of the Japanese idol group AKB48. Her supposed apathetic attitude toward idol fans led to the popularity of the buzzword "salty treatment" in Japanese media. Haruka Shimazaki is a Japanese actress, singer, and former member of the Japanese idol group AKB48. Her supposed apathetic attitude toward idol fans led to the popularity of the buzzword "salty treatment" in Japanese media.