7-year-old Sara gets into an accident and falls into critical condition. She wakes up in the hospital the next morning and sees a nurse, Nanami, next to her bed. Sara can not feel pain. Nanami shows Sara around the hospital. At night, Sara knows Nanami is a patient and not a nurse. She also knows that she has been in a coma for the past 10 years since she got into the car accident at the age of 7. Sara is also surprised that she is still in a coma. She is having an out-of-body experience.

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.

The second documentary for Nogizaka46.