A story depicting the gradual shift in the relationship between a married couple and the single man living next door in their apartment complex. The wife constantly harbors resentment toward her neighbor over various issues—his smoking in shared spaces, garbage disposal days, and participation in neighborhood association activities. The protagonist, committed to maintaining peace, repeatedly advises his wife to suppress her complaints. However, everything changes when she visits the neighbor, Mr. Miyashita, as a representative of the neighborhood women's committee to voice her grievances. From that day forward, her behavior and attitude undergo a noticeable transformation, steering the story into uncharted territory.