Wife Chizuru has faithfully supported her husband Tetsuro, a lifelong low-ranking employee, ever since their marriage. Though never wealthy, they built a kind and loving home, living happily together. This year, their only son, who had been a freeter, finally landed a job and became independent. Seizing this moment, Tetsuro surprises Chizuru with an unexpected gift—a hot spring getaway for the two of them. Unbeknownst to her, Tetsuro had been secretly saving every bit of his meager allowance, driven by deep gratitude for her unwavering support, dreaming of this very day. A heartfelt story of enduring bonds, family growth, and love.