Mrs. Noisy (2020)

Yoshioka Maki is a novelist and mother. She has been experiencing writer's block. One day, she gets into a disagreement with her neighbor Wakata Miwako over a futon. Maki gets harassed by Miwako increasingly more as the days pass. She decides to write about Miwako in a novel, but this has unexpected consequences. The small quarrel becomes a media sensation.