- Strawberry Sex (4:26)
- Written by Tada Taku and Ken Hirai. Composed by Nakano Masahito and Ken Hirai. Arranged by Nakano Masahito.
- Revolver (3:39)
- Written by Ken Hirai and Sean Garren. Composed by T.Kura and Sean Garren. Arranged by T.Kura.
- Ex-girlfriend (4:13)
- Written by Ken Hirai. Composed and arranged by Murayama Shinichiro.
- The B-side of Hirai's 15th single, "Strawberry Sex".
- Ring (5:15)
- Written and composed by Ken Hirai. Arranged by Tomida Keichi.
- Ending song for the Japanese TV drama Psycho Doctor.
- Come Back (4:20)
- Written by Ken Hirai and Angie Irons. Composed by T.Kura and Angie Irons. Arranged by T.Kura.
- This song was the double A-side of his single "Life Is...: Another Story".
- Somebody's Girl (4:44)
- Written by Fujibayashi Shōko. Composed and arranged by Uru.
- This song was the B-side of his single "Ring".
- I'm So Drunk (3:40)
- Written by Ken Hirai. Composed and Arranged by Akira.
- Missing You: It Will Break My Heart (4:47)
- Written by Ken Hirai. Composed and arranged by Babyface.
- This song was a collaboration with American producer Babyface.
- An English version of the song was included on the single.
- 世界で一番君が好き? (Sekai de Ichiban Kimi ga Suki?, (Am I Your Favorite in the World?) (5:27)
- Written by Tada Taku. Composed and arranged by Kuriya Makoto.
- メモリーズ (Memoriizu, Memories) (4:29)
- Written and Composed by Ken Hirai and Suzuki Dai. Arranged by Matally.
- Life Is... (4:28)
- Written and Composed by Ken Hirai. Arranged by Suzuki Dai.
- This was the commercial song for the video game Fire Emblem.
- 大きな古時計 (Ōkiina Furu Tokei, Great Old Clock) (4:46)
- Written and composed by Henry Clay Work. Translated to Japanese by Hotomi Kōgo. Arranged by Kameda Seiji.
Chart
|
Peak
|
First week sales
|
Sales total
|
Chart run
|
Oricon Daily Albums Chart
|
1
|
|
|
|
Oricon Weekly Albums Chart[2]
|
1
|
351,258
|
806,000
|
89 weeks
|
Oricon Yearly Albums Chart
|
10
|
|
|
|