What did the narrator's sister do at the end of the story The Day It Rained Cockroaches?

At the end of "The Day It Rained Cockroaches," the narrator's sister, who had been struggling with her feelings towards the chaotic events, ultimately decides to embrace her individuality and uniqueness. She takes a stand against the oppressive environment and the expectations placed upon her, symbolizing a personal transformation. This act signifies her resilience and a newfound sense of identity amidst the turmoil.