結婚3年目。旦那と専業主婦のはなの2人家族。最近バストが以前にも増して豊満になったはなは下着サイズが全く合わず、価格も高い為に収入の低い旦那も購入を渋っていた。外出する機会が無いので、まとまったお金が入るまでノーブラで過ごすことにしたはなだったが、ある朝ノーブラ姿を見かけた近所の男性に…？

Married for 3 years. A family of two, with a husband and a full-time housewife, Hana. Hana's bust has recently become fuller than before, and her husband, who has a low income, is reluctant to buy her underwear because they do not fit her at all and are expensive. Since she has no chance to go out, she decides to live without a bra until she has enough money, but one morning a man in the neighborhood sees her ......