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.
| Actor | Role |
|---|---|
 Rina IkomaNot listed | Not listed |
 Nanase NishinoNot listed | Not listed |
 Nanami HashimotoNot listed | Not listed |
 Mai ShiraishiNot listed | Not listed |
 Erika IkutaNot listed | Not listed |
 Minami HoshinoNot listed | Not listed |
 Reika SakuraiNot listed | Not listed |
 Kazumi TakayamaNot listed | Not listed |
 Manatsu AkimotoNot listed | Not listed |
 Mai FukagawaNot listed | Not listed |
 Sayuri MatsumuraNot listed | Not listed |
 Yumi WakatsukiNot listed | Not listed |
 Rena MatsuiNot listed | Not listed |
 Marika ItoNot listed | Not listed |
 Asuka SaitoNot listed | Not listed |
 Kana NakadaNot listed | Not listed |
 Himeka NakamotoNot listed | Not listed |
 Misa EtoNot listed | Not listed |