Promise

Background
The song was uploaded onto Nico Nico Douga on January 6, 2008. It was Samfree's 6th song. It currently has more than 304,700 views. This song was performed at the 39's Giving Day Concert and the 39's Giving Day Concert 2012. It is also featured in the games Project Diva 2nd and Miku Flick/02.