- Tanimoto Shin
- Other Information
- Arrangement: Ishizuka Tomoki
There are currently two versions of "Hero" to be found in ARASHI's discography.
- Found on ARASHI's 13th single, "Hitomi no Naka no Galaxy / Hero", as track #2 on the Limited A and Regular Editions and track #1 on the Limited Edition B. It is also found on the 5×5 THE BEST SELECTION OF 2002←2004 album as track #1 and on the All the BEST! 1999-2009 album as track #16 on Disc 1.
- Hero (Original Karaoke)
- Found on ARASHI's 13th single, "Hitomi no Naka no Galaxy / Hero", as track #3 on the Limited B and track #5 on the Regular Edition. This is the standard version except without the main vocals.