Kimi ga Irukara is a single of the theme song of the Japanese version of Final Fantasy XIII, sung by Japanese singer Sayuri Sugawara, and said artist's second single. Another edition includes a DVD featuring the game's trailer shown at Tokyo Game Show.
- Kimi ga Irukara — 5:54
(君がいるから, Kimi ga Irukara?, lit. Because You're Here)
- Eternal Love — 4:35
- Christmas Again — 4:34
- Kimi ga Irukara (Instrumental) — 5:53
(君がいるから (Instrumental), Kimi ga Irukara?, lit. Because You're Here)
- Eternal Love (Instrumental) — 4:35
- Christmas Again (Instrumental) — 4:31
Kimi ga Irukara, Eternal Love
- Lyrics: Yukino Nakajima, Sayuri Sugawara
- Lyrics: Ikki Matsumoto
- Music: F. Liszt
Final Fantasy XIII Official Piano Piece Piano Solo / Vocal & Piano Score Music Book, contains solo piano sheet music for the three songs on the single. The book also contains information on the artist Sayuri Sugawara and composer Masashi Hamauzu, image galleries, and song lyrics.