Momoka Sendou (nicknamed Dragon Girl) and Ryuga Kou are childhood friends. Momoka is a martial artist, and Ryuga is a Chinese magic master who banishes demons. In order to increase his power, Ryuga calls on the spirit of a dragon to possess him, but the spirit enters Momoka instead. Now the two must unite forces and fight demons together!

While trying to banish a demon trapped beneath Momoka's favorite peach tree, Ryuga falls under the demon's control. Can Momoka fight the demon on her own and save Ryuga?