The story of Non, the younger sister of the twin sisters of the Shiraishi family! Non's personality is an innocent mood shop! And Non doesn't wear a bra when she's at home. Do you hate to tighten it or do you want to relax? The father who has such a daughter has been worried about this matter exclusively. No matter how much you are a family, it is bad for your heart and crotch to see your daughter's breasts every so often. However, the more I was conscious of it, the more wrong thoughts crossed my father's head ...