The Yumeno family is a large family full of men, and her mother has passed away and Aika is the only woman...Aika is the only woman, so she is a high school girl who is busy not only with housework, but also with nine brothers and her father's sexual desires every day. From morning to night, we have a busy time in continuous sex, taking care of the whole family. A story about a "big daughter" who struggles alone in a family with an extremely sexually insane family!