Tenki no Ko

Summary:

High school freshman Hodaka Morishima leaves his home on an isolated island and moves to Tokyo, but 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. Then one day in a corner of the crowded and busy city, Hodaka meets a young girl named Hina Amano. Due to certain circumstances, Hina and her younger brother live together, but have a cheerful and sturdy life. This bright and strong­willed girl possesses a strange and wonderful ability: the power to stop the rain and clear the sky.

Wikipedia