more promotion :
GyaO! site will also show all 50 morning musume MVs in commemoration of the 50th single release
http://gyao.yahoo.co.jp/p/00092/v08359/41/s/
http://www.helloproject.com/news/1206271800_musume.html
Natalie.mu promotes the single on their site
http://natalie.mu/music/news/71902