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.
南春香（佐藤莉娜配音）是一个完美的学生，有着出众的外表和出众的个性。在学校里，她因外向温和的性格而成为许多人钦佩的对象，Satsuzaka（小野大辅配音）就是其中之一。学校里流传着许多与春香有关的传说，她也被称为“第一代掌门人”。
