Chiaki Ito from AAA singing with Chika, the Vocaloid she was the voice provider for~ Original: https://www.youtube.com/watch?v=cF-ZQI9UrpYEnglish translation here: http://vanderheldlyrics.blogspot.com/2014/11/charming-kiss-chiaki-aaachika.html
http://www.nicovideo.jp/watch/sm24824383