Elya, 20, is a student and a future ecologist. One day, Matvey, the head of a construction company, came to her university to discuss the development plan for an old forest park. Elya did not hesitate to crush his project. Matvey is very interested in girls' confidence, And used his usual influence method - he just tried to ; purchase She, but Elya doesn't need a sponsor. Then, Matvey was surprised by her indestructibility and placed a bet on Elya: romantic seven days according to his rules. If the girl still decides to leave after that, he will refuse to build a skyscraper in the forest park. When Matvey really paused design work, she agreed. Elya thinks she's a bit like the movie 'Beautiful Woman' The female protagonist in, but it turns out that Matvey is not the person she imagined.
光希(樱井日奈子 饰 )是一个性格可爱开朗的高中二年级女生,一天,父亲仁(筒井道隆 饰)和母亲留美(檀丽 饰)告诉了她一个惊人的消息,那就是他们两人双双出轨了同一对夫妻,经过商量,她们决定和那对夫妻以及他们的孩子组成一个新的六口之家。