Before I Knew It, I Was Here: Documentary of Nogizaka46 (2019)

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.

A group of strangers come together to work on creating the greatest anime series ever.

Asahi Tojima (Nanase Nishino) is a first grade high school student. She is small and weak physically. Asahi Tojima decides to change herself. She enrolls in the naginata (Japanese blade) club at her school. She works hard with the other club members and targets the national competition.

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.