Kyu Ju Sai. Nani ga Medetai

Sato Aiko, who has won numerous literary awards. After surpassing the age of 90 and ceasing to write, reducing social interactions, and living in a gloomy state, a middle-aged editor named Yoshikawa Shinya brings a request for an essay. The essay, in which anger towards the world was candidly expressed with "Enough of this!" unintentionally garnered great popularity, leading to a significant transformation in Aiko's life at the age of 90... (Source: Japanese = Shochiku.co.jp || Translation = MyDramaList)

More