have you watched so popular j drama series Unnatural, 最愛 (Saiai/Dearest), and ongoing tv drama Silent which is huuugggeee hit in japan now and becoming like a social phenomenon? Unnatural and Saiai is made by the same production team that the members are almost women. and the theme song of 最愛 is also by Utada Hikaru (♬Kimi ni muchuu/crazy for you). try them if you like ^^