Set in the 1990s during Japan's "band boom" era, the film tells the tale of a girl in high school, Asako, who goes to a concert and meets Natsu, vocalist of the new band LANDS. Asako ends up being the band manager, but as the band's popularity starts to soar, the band's friendship begins to suffer.

公開前から話題沸騰の『バンデイジ』は監督・音楽は小林武史さん、脚本は岩井俊二さん、主演がKAT-TUN赤西仁さんと超豪華ラインナップ！ そのオフィシャルブックが1月7日に発売。