High school student Hodaka leaves his home on an isolated island and moves to Tokyo, but he immediately becomes broke. He lives his days in isolation, but finally finds a job as a writer for a shady occult magazine. After he starts his job, the weather has been rainy day after day. In a corner of the crowded and busy city, Hodaka meets a young woman named Hina. Due to certain circumstances, Hina and her younger brother live together, but have a cheerful and sturdy life. Hina also has a certain power: the power to stop the rain and clear the sky.