Mika Nitta's Big Tokyo Adventure is the twentieth chapter of Hinamatsuri manga series.
Plot[]
Growing tired with her job as a town hall employee, Nitta's sister Mika travels to live with her brother and Hina in Tokyo. She is reluctant to get a job and ends up freeloading in Nitta's apartment for two months, drinking excessively all the while. Eventually, Nitta gets her a job at one of his gang's companies, but she proves an ill fit for any available position. After enduring extensive physical and psychological trauma, Nitta sends Mika back to live with their mother. She decides to get her town hall job back and looks fondly upon her time in Tokyo.