Hajimari no Hi ni

 is the debut single released by Hatano Wataru.

Single Information
My Hero, My No.1 was used as the ending theme for the anime Battle Spirits: Heroes.
 * Lyrics: Ikehata Nobuhito (#1, #2), Yamashita Yosuke (#1), Hatano Wataru (#3)
 * Composition: Yamashita Yosuke (#1), Yamashita Kazuaki (#2, #3)
 * Arrangement: Yamashita Yosuke (#1, #3), Tsuchihashi Masaki (#3)

CD

 * 1) Hajimari no Hi ni (はじまりの日に)
 * 2) My Hero, My No.1
 * 3) Anata e (あなたへ)
 * 4) Hajimari no Hi ni (はじまりの日に) (Instrumental)
 * 5) My Hero, My No.1 (Instrumental)
 * 6) Anata e (あなたへ) (Instrumental)

DVD

 * 1) Hajimari no Hi ni (はじまりの日に) (Music Video)
 * 2) Music Video Making