Ryuu Yamada, a student in his second year at Suzaku High, leads a monotonous life characterized by his habitual tardiness, snoozing in class, and poor academic performance. In contrast, Urara Shiraishi, the school's top scholar, is exceptionally stunning. Unexpectedly, their bodies inexplicably switch, with Ryuu finding himself in Urara's perfect body and Urara assuming Ryuu's form.