From Wikimon

Believer Single ( ') is a Soundtrack.

CD Data

Title	Believer
Code	NECM-10047
Release Date	June 28, 2006
Language	Japanese
Artist(s)	IKUO

Track listing

Track	Name	Translation	Kanji/Kana	Duration
1	Believer			4:09
2	Believer (Original Karaoke)			4:09