Bittersweet

 is the 42nd single by ARASHI. It.

The title song was featured as the theme song for the drama Heartbroken Chocolatier starring Matsumoto Jun on Fuji TV.

The coupling song "Road to Glory" was featured as the theme song for NTV's Sochi 2014.

Tracklist
Regular Edition=

CD
Limited Edition=
 * 1) Bittersweet
 * 2) Road to Glory
 * 3) Sync
 * 4) Motto, Ima yori (もっと、いまより More Than Now)
 * 5) Bittersweet [original karaoke]
 * 6) Road to Glory [original karaoke]
 * 7) Sync [original karaoke]
 * 8) Motto, Ima yori [original karaoke]

CD

 * 1) Bittersweet
 * 2) Road to Glory

DVD

 * 1) "Bittersweet" Video Clip