Ayumi, a housewife with a lot of free time now that her son is growing up, is looking for a new hobby. Then, she comes across an article that catches her eye. ``When you hear cosplay, you may think of young people, but I recommend it to housewives who are used to sewing. You will feel even more attached to cosplay you make yourself. Furthermore, being seen by others is the ultimate secret to maintaining beauty.'' Ayumi immediately uses her sewing machine to stay up all night making costumes. She then invites her son's naive friend from the photography club over to her house, and a cosplay photo shoot where she indulges in immorality begins...