"...More or less. Those four siblings are always piling up secret agreements when they come together to discuss the division of Grandfather's inheritance. ...They're saying that some unknown fifth person has appeared and is trying to make things even more complicated, and there's no way that'll make for a peaceful conversation. Just when you think they're snarling at each other, they'll set up a common front. ......Natsuhi nee-san's not the only one getting headaches."