Atsuko Maeda is a Japanese actress and singer. She is a former member of the idol girl group AKB48, and was one of the most prominent members in the group at the time, regarded as the group's "absolute ace", "immovable center", and the "Face of AKB." After graduating from AKB48 on August 27, 2012, Maeda has since then continued with a solo singing and acting career.

"Chance no Junban" is Japanese idol girl group AKB48's 19th single, released on December 8, 2010.