Muteki na Heart / STAND BY YOU

 is the 41st single by Kuraki Mai.

Limited A & Regular Editions CD

 * 1) Muteki na Heart (無敵なハート)
 * 2) STAND BY YOU
 * 3) Muteki na Heart (無敵なハート) ~Instrumental~
 * 4) STAND BY YOU ~Instrumental~

Limited Edition B CD

 * 1) STAND BY YOU
 * 2) Muteki na Heart (無敵なハート)
 * 3) STAND BY YOU ~Instrumental~
 * 4) Muteki na Heart (無敵なハート) ~Instrumental~

Limited Edition A DVD

 * 1) Muteki na Heart Music Clip

Limited Edition B DVD

 * 1) STAND BY YOU Music Clip