Business is not good for our family coffee shop. And there's a reason for that, a new café on the corner has French maids to serve customers. We needed to find a solution... and quickly. My father decided to change my mother and my sister's outfits when they were serving, and put them in sexy cosplay to bring in new clients. Before leaving he asked me to keep an eye on them. But ... how could I stay cool when faced with my mother's big breasts and my sister's provocative outfits ... I don't know how I'll deal with the situation! They seem to have gotten ideas in their heads since dad left ...