This is the commercial ad of Meiji (明治) aired in August 2012 in Japan. Although this commercial ad looks pretty amazing to watch, I am not quite sure about what message it is aiming to deliver.
And this very cute lady who shows up in the commercial ad of Meiji (明治) is an Japanese fashion model from Austria born in 1992 and her name is Triendl Reina (トリンドル玲奈).
If you are interested in knowing more about her, you can find out more information about her in Google image search. Learn more
This song that is used in the commercial ad of Meiji (明治) is Original soundtrack performed by Triendl Reina (トリンドル玲奈). This song is a song that is specially customized for the commercial ad of Meiji (明治).
Thus, I am not able to get any information about this song and unfortunately you cannot download or purchase it. However, if you have any information about this song by any chance, please leave your comment.