GUTS!

 is the 43rd single by ARASHI. It.

The title song was featured as the theme song for the drama Baseball Brainiacs starring Ninomiya Kazunari on NTV.

Tracklist
Regular Edition=

CD
Limited Edition=
 * 1) GUTS!
 * 2) Kimi ga Waraeru you ni (君が笑えるように So That You Can Laugh)
 * 3) Love Wonderland
 * 4) GUTS! [original karaoke]
 * 5) Kimi ga Waraeru you ni [original karaoke]
 * 6) Love Wonderland [original karaoke]

CD

 * 1) GUTS!
 * 2) Fly
 * 3) Fly [original karaoke]

DVD

 * 1) "GUTS!" Video Clip