This review of YSRA’s novel The Age of Filiarchy (Japanese title: 29歳、今日から私が家長です) explains how the work explores Sra’s journey as a young woman leading both her family and company, challenging patriarchal traditions. By maintaining equal relationships with her parents and other family members, she ensures fair domestic labor and practices democratic leadership. The review commends the novel for its reflection on linguistic and cultural gender bias and its vision of a more equitable society.