妹に代わり、周との政略結婚を決意したいち日。山口家の援助で「桑乃木」の存続が約束され、母の愛子(床嶋佳子)や伯母の町子(戸田恵子)は大喜び。いち日は年齢も性格も大きく異なる周との結婚に不安を覚えるが、縁談は瞬く間に進み、新婚生活が始まった。案の定、そりが合わない2人だったが、いち日の料理を口にした周は彼女の料理人としての才を見いだしていき――。周は、「桑乃木」の立て直しに向け、ある提案をする!
In exchange for her sister, Ichika decides to enter into a marriage of convenience with Amane. With the Yamaguchi family’s support, Kuwanoki was promised to survive, and her mother Aiko, and Aunt Machiko were overjoyed. Ichika was uneasy about marrying Amane, whose age and personality were drastically different from hers, but the marriage talk went quickly, and the newlyweds began their married life together. As expected, the two were not on the same page, but after tasting Ichika’s cooking, Amane discovered her talent as a cook. Amane proposes to rebuild Kuwanoki!