Komachi Himeno is a cute and busy girl in the school and Onigawara Nozomi is a boy that has a monster-like face and has monster-like power. Everyone in the class who see Nozomi will get scared but, Himeno chose him bravely as part of the member cleaning class. One day, on the way home, Nozomi chased off Himeno but, Himeno quickly ran as fast as she can because she is too scared of Nozomi then, they fall from the stairs. After that, they realize that their soul exchanged...