Haruna is a magically
ornamented girl, from a magical world who wields achainsawnamed
Mystletainnand battles demons known as Megalos. She can also use her
magic to repair damage caused from her battles and erase people's memories. She
was originally ordered by her teacher, Dai-sensei, to go to Kyoto to get some
tofu, but she ended up in Tokyo instead. After first encountering Ayumu
following a fight with a demon, her magical powers are absorbed by him, due to
the fact the magic Eucliwood used to revive him is stronger than hers.