Tamachen!!

Komachi Himeno is a student who is constantly occupied with school activities. Onigawara Nozomi, with a fearsome appearance and immense physical power, is avoided by others in their class. Despite this, Himeno selects Nozomi to join her cleaning team. Later, while walking home, Himeno becomes aware that Nozomi is following her, prompting her to flee. They both end up tumbling down a flight of stairs. After the incident, they discover that their souls have exchanged bodies.