"Chance no Junban" is Japanese idol girl group AKB48's 19th single, released on December 8, 2010. Wikipedia
Composer: Yūko Konishi
Lyricist: Yasushi Akimoto
B-side: "Yoyaku shita Christmas"; "Kurumi to Dialogue"; "Alive"; "Love Jump"; "Fruit Snow"
Released: December 8, 2010