鎖の少女 (Kusari no Shoujo)

Background
Chain Girl was uploaded on October 25th, 2009, and has reached over 1,000,000 views. The songs talks about a girl that feels trapped and controlled, unloved and that she merely is a trophy or adorn to show off. The person who controls to over the girl isn't specified, but usually it's interpreted that is either her lover or her family. At the end of the song, the girl resolutes to break the "chains" that bind her for finally begin to live by and for herself.