A powerful new enemy appears in front of 3 gangs: Gokuraku Cho, Biisuto and Hiroshima Naitsu. Based on the manga "BADBOYS" by Hiroshi Tanaka (published from 1988 to 1996 by Shonen Gahosha through biweekly manga magazine Young King).

Nobuhiro Yamashita shoots the adaption of the City Lights manga by Hiroyuki Ohashi with three members of the Nogizaka46 idol pop band. The story is told on three levels: Documentary-style on-set where we see the film being made and the idols struggling with their roles, the resulting movie which revolves around three girls in a psychic research club discovering a classmate with super powers who turns out to be an alien and a stage adaptation of the film with the same characters.

A documentary about Japanese idol group Nogizaka46. "A method to forget sadness" will show how the Nogizaka46's members were, how they really felt, and how they strived while facing the cruel world of showbiz. How were their lives off the screen? Well, find out by yourself.