Sore wa Chiisana Hikari no You na

 is a single by Sayuri.

The A-side song as the ending theme for Boku dake ga Inai Machi/Erased.

Limited Edition A CD

 * 1) Sore wa Chiisana Hikari no You na (それは小さな光のような)
 * 2) Raise de Aou (来世で会おう)
 * 3) Hikari to Yami (光と闇) -Hikigatari ver-

Limited Edition B CD

 * 1) Sore wa Chiisana Hikari no You na (それは小さな光のような)
 * 2) Raise de Aou (来世で会おう)
 * 3) Suicide Sakana (スーサイドさかな) -Hikigatari ver-

Limited Anime Edition CD

 * 1) Sore wa Chiisana Hikari no You na (それは小さな光のような)
 * 2) Raise de Aou (来世で会おう)
 * 3) Fuusen (ふうせん) -Hikigatari ver-

Limited Edition A DVD

 * 1) Sore wa Chiisana Hikari no You na (MV)

Limited Edition B DVD

 * 1) Raise de Aou (MV)

Limited Edition DVD

 * 1) Sore wa Chiisana Hikari no You na TV Anime "僕だけがいない街" Non-credit ED Video