Komachi Himeno, a cute and busy girl in the school. Onigawara Nozomi, a monster-like face and have monster-like power. Everyone in the class who see Nozomi will scare. But, Himeno choose him bravely as part of the member cleaning class. One day, in the way to go home, Nozomi chased off Himeno. But, Himeno quickly run as her can because she too scare of Nozomi. Then, they fall from the stairs. After they realize, their soul is change.....