The story of the next wife tells the story of Kyko Fukuda, a 17-year-old Ryazaki peach, living in Ibaraki Prefecture as her next wife. She likes rococo style clothes and yearns for medieval France. Bai Baihe Strawberry Anna Tsuchiya, a sophomore in a school with Taozi, is an evil girl who rides a heavy motorcycle all day.
Peaches and strawberries meet by chance. They are all curious about each other and don't understand how there are girls who like each other in this small place. Since then, strawberries often visit peaches. She pays attention to peaches and comments on her dress, but peaches who insist on their opinions are unmoved. Strawberries need to go to a clothing store that specializes in making special clothes for big sister. She hopes that she can put on her special suit and attend a former retirement ceremony. They couldn't find it, but peaches actually sewed a special attack suit for strawberries. What difficulties will they encounter when they become best friends?