B-SIDE is a compilation album by Mr. Children, released on May 10, 2007, marking the fifteenth anniversary of their first album's release. It collects all of the group's B-sides, with a booklet providing liner notes for each of them.
A promotional video was created for the song Hibiki (ひびき) to promote this compilation.
Track listing
Disc one
- Kimi no Koto Igai wa Nani Mo Kangaerarenai (君の事以外は何も考えられない) - 4:08
- my confidence song - 1:55
- Ame Nochi Hare Remix Version (雨のち晴れ Remix Version) - 9:39
- Fragile (フラジャイル, Furajairu) - 5:09
- Mata Aeru Kana (また会えるかな) - 4:07
- Love is Blindness - 3:29
- Tabibito (旅人) - 3:23
- Derumo (デルモ) - 5:28
- Hitori Goto (独り言) - 3:32
- Heavenly kiss - 6:08
- Nishi e Higashi e EAST Remix (ニシエヒガシエ EAST Remix) - 5:52
Disc two
- 1999 Nen, Natsu, Okinawa (1999年、夏、沖縄) - 7:43
- Hana (花) 5:32
- Sayonara 2001 Nen (さよなら2001年) - 6:30
- I'm sorry - 4:25
- Mousou Mangetsu (妄想満月) - 3:04
- Konna Fuu ni Hidoku Mushiatsui Hi (こんな風にひどく蒸し暑い日) - 3:54
- Hokorobi (ほころび) - 3:04
- my sweet heart - 3:16
- Hibiki (ひびき) - 3:17
- Kurumi - for the Film - Koufuku na Shokutaku (くるみ - for the Film - 幸福な食卓) - 5:42
- Nishi e Higashi e WEST Remix (ニシエヒガシエ WEST Remix) - 6:49