Description: Haruki starts living at his relative's house, where four girls live. They seem to be all his sisters, though their mothers are all different. His father is a famous magician, who can actually use magic. Haruki hears that his father practiced magic to them and disappeared...There is one and only way to remove the magic. That is to keep close relationship with each other. However, it is full of temptations for Haruki to live with four girls...