After moving in with her partner, Mariko discovered with despair that her household chores had tripled compared to when she lived alone. Within the confines of the home, maintaining an equal relationship between men and women proved an extraordinarily difficult task. Unwilling to accept traditional gender roles, Mariko resolved to fight relentlessly for gender equality within the family. Famous author Mariko Yamauchi's five-year collection of essays, written between 2013 and 2017 during her cohabitation and marriage, chronicles her daily life advocating for shared household responsibilities and engaging in wits and strategies with her husband. It also captures the profound observations and reflections she gained only after entering the institution of marriage.