BEST 9

 is the sixth album and the first best album released by 9nine. It was the last album to feature Kawashima Umika.

CD

 * 1) Cross Over
 * 2) SHINING☆STAR
 * 3) Natsu wanna say love U (夏 wanna say love U; Summer wanna say love U)
 * 4) Tik Tak☆2NITE (チクタク☆2NITE)
 * 5) Shoujo Traveler (少女トラベラー; Traveler Girl)
 * 6) Ryuusei no Kuchizuke (流星のくちづけ; Meteor's Kiss)
 * 7) Yie Ar! Jiang Shi feat. Hao Hao! Jiang Shi Girl (イーアル! キョンシー feat.好好！キョンシーガール)
 * 8) Brave
 * 9) White Wishes
 * 10) colorful
 * 11) Evolution No.9
 * Re:
 * 1) With You / With Me
 * 2) HAPPY 7 DAYS
 * 3) MY ONLY ONE
 * 4) Ai Ai Ai (愛愛愛; Love Love Love)

Limited Edition DVD/Blu-ray

 * 1) Cross Over (Music Video)
 * 2) SHINING☆STAR (Music Video)
 * 3) Natsu wanna say love U (Music Video)
 * 4) Tik Tak☆2NITE (Music Video)
 * 5) Shoujo Traveler (Music Video)
 * 6) Ryuusei no Kuchizuke (Music Video)
 * 7) Yie Ar! Jiang Shi feat. Hao Hao! Jiang Shi Girl (Music Video)
 * 8) Brave (Music Video)
 * 9) White Wishes (Music Video)
 * 10) colorful (Music Video)
 * 11) Evolution No.9 (Music Video)
 * Re: (Music Video)
 * 1) With You / With Me (Music Video)
 * 2) HAPPY 7 DAYS (Music Video)
 * 3) MY ONLY ONE (Music Video)
 * 4) Ai Ai Ai (Music Video)

Featured Members

 * Nishiwaki Sayaka
 * Satake Uki
 * Kawashima Umika (Last)
 * Yoshii Kanae
 * Murata Hirona

Oricon Chart Positions
Total Reported Sales: 15,674*