While coming back from school, Haruo and his sisters encounter a stranger holding a magic gun in the house. Later, she tells everyone her name is Rika Anju a maid come to support Ayumi. Because the sister hit his head too many times, he is no longer able to hold magic and will be destroyed. However, it all turns out to be just fine. Rika and Ayumi compete to win over Haruo. Later, Haidenei spirit of fire who was sealed away at a hospital long ago is freed but it's just Rika's prank to collect data.