Kamagi Sugita is a teenaged girl who lives in Japan, is currently a said juvenile. However, she thinks otherwise. She later becomes the new daughter of a young couple, and joins a school named Yasogami High School. There at the school, she mets Rise, Kanji, Yukiko, Yosuke, Chie, Naoto, and their proclaimed leader, Yu Narukami. Kamagi later discovers her great hidden power and love.