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.
恍如世界末日一般，洪水席卷地球，世界变成一片汪洋，空旷而孤寂。一位老人孤独地生活在这个世上，或凭栏远眺，或看看电视消磨时光，几无可以交流之人。水位不断上涨，老人只能不断加盖房子，宛如摞积木一般，房子有如矗立在深海中的巨塔。
本多敏夫（由堀江洋一配音）是一名单纯善良的女高中生。母亲去世后，无处可去，她不小心搬进了学校的草草Moyuxi（由Aya Kugawa配音）的家。草末玉玺一家共有十二口人，很快，本田就揭开了他们的秘密。
