A little stupid junior high school student, Yota, lives alone in a house on the outskirts of the village. However, there are many youkai families instead of humans. Yota's older brother is a school bag, Fukuro Mujina, his sister who is stronger than his older brother is Kamaitachi, his mother who is good at cooking is a Joro spider, and his father's red tongue, which has no presence at home. Yota isn't afraid to see youkai and makes her eyes shine as "cool". The youkai who are supposed to be scared, who got mad by him and forgave him unintentionally. It's the opening of a cute and nostalgic youkai story that depicts such a mysterious "family"!