Mifuyu is a pure girl who grew up in a country side. After her mother dies, she loses her place because her father welcomes his lover to their house. Therefore, Mifuyu starts to stay at Naoko Kashimada, who is a cousin of the late mother. The Kashimada family is blessed with "the wealth" that Mifuyu can’t get even though how strong she desires. “The world is unfair.” She begins to find her place in Kashimada family, and it is the beginning of her life as a “Nepenthes woman”.