Hotaru Amemiya, the self-proclaimed himono onna or dried-fish woman who once preferred lounging at home to romance, has married her former boss, the meticulous and responsible Seiichi Takano. Their long-awaited baby is born, and the couple must now navigate the chaotic, messy, and heartwarming world of first-time parenthood. Hotaru's naturally slobby and carefree habits clash with Takano's neat and orderly nature, leading to humorous domestic struggles as they learn to care for their child together. The story is told partly from the baby's perspective, offering a fresh and endearing look at the small milestones, sleepless nights, and tender moments of everyday family life. Together, Hotaru and Takano discover that raising a baby is a new kind of adventure that tests their patience, deepens their bond, and reveals sides of themselves they never knew existed.