Yosikava Haruo, well, just an ordinary schoolboy saaamy. Honestly the more the fool. His only pride - an excellent rating. For a while, the story (very short), Haruo is living a peaceful life with three cute little sister (oh, what have Sisters of individuality, hehe).Once in his school (and of course, in his class) is translated devuschka beautiful, Mamiya Ayumi. And it is unclear how, began to live in his house, working maid. In fact, she was a witch... and a curse. Destroy the curse can only Haruo, whose magical powers and she tries to arouse different...... eeem amusing ways.