In the summer of his first year in high school, Hodaka (voiced by Daigoko Taro) left his hometown on an outlying island and came to Tokyo alone. His tight living conditions forced him to find a job, and he ended up working as a writer for a publishing house that specializes in publishing strange supernatural publications. Soon, Tokyo began to rain heavily, as if hinting at Hodaka's unsuccessful future. Hodaka, who was collecting materials everywhere in this busy city, met the incredible beautiful girl Haruna (voiced by Mori Nanana) who depended on her brother for life. "It will be clear soon." Haruna told Hodaka, and soon, the dark clouds above his head gradually dissipated, and the dazzling sunlight fell on the streets... It turned out that Haruna had the magical ability to "change the weather"...