Also known as Mistin in English. Haruno Kasumi is a fourth-grader. Her parents are zoologists who went to Africa to conduct their research. To see her parents off, Kasumi arrives in Kasumi Town. In the heart of the town stands a massive mansion surrounded by a forest. This mansion belongs to the Kasumi family, where Kasumi will be staying and looked after. The mansion has an air of mystery, and Kasumi discovers a series of talking appliances. The Kasumi family refers to these beings as "Henamon." In exchange for living with the family, Kasumi will help with household chores like cooking and cleaning. Surrounded by various intriguing characters, Kasumi embarks on a new chapter in her life.











