1. "Life" is a song composed by JUNKOO, written by Ren Takayanagi & ヒロイズム, and sung by Mika Nakajima. This song is included in the album "LIFE", which was released by Sony Music Company on August 22, 2007. The album contains 5 songs.

2. "HALFWAY" is a song composed by Takeshi Kobayashi, lyrics written by Takeshi Kobayashi?ERIKO?Salyu, and sung by Salyu (Ayako Mori). This song is included in the album "MAIDEN VOYAGE", released on 2010-03-24. The album contains 10 songs.

3. "March 9th" is a song composed by Ryota Fujisaki, lyrics written by Ryota Fujisaki, and sung by Remioromen (レミオロメン). This song is included in the album "レミオベスト", which was released by OORONG-SHA Company on 2009-03-09. The album contains 10 songs.

4. "プラネタリウム" is a song composed and written by Ai, and sung by Ai Otsuka. This song is included in the album "プラネタリウム - (Asteroid)", which was released on 2005-09-21 by (P)2005 AVEX ENTERTAINMENT INC. The album contains 4 songs.

5. "Love Photo" is a song composed by Various Artists, written by Various Artists, and sung by Otsuka Ai (おおつか あい). This song is included in the album "Love Photos", which was released on October 25, 2006 by Aibex. The album contains 5 songs.