黑漆漆的夜晚，不知在街道的哪个拐角，三名小偷慌忙躲进一个名叫浪矢的杂货铺里，然而在杂货铺里他们莫名其妙的收到一连串的书信！翔太、敦也和幸平三个人小偷被一封从紧闭的铁闸门里塞进来的信吓了一大跳！三个人商量后鼓起勇气打开奇怪的信件，原来是一位名叫兔子小姐的女士向浪矢杂货店的老板咨询自己的烦恼，她从小听说这家名叫浪矢的杂货铺可以帮人咨询烦恼，从铁闸门的入信口塞进去，第二天便可从杂货店后墙的牛奶箱取出回信！很是神奇！由此，他们便开始在短暂的黑夜回复一封封的资讯信件：鲜鱼店家的因为继承家业还是追寻音乐梦想而犹豫不决的男孩；一个为了报恩而不知是否要放弃正当职业去酒店当招待女的女孩；因为欠债而要跟着父母跑路的男孩向杂货店寻求自己的未来…………！当然这些复杂的问题以三个偷盗者的脑筋是提供不出来什么能彻底解决问题的建议！然而有些收信者居然也采纳了他们的建议，并且后来生活的一切与信中预言般的建议雷同

On a dark night, at some corner of the street, three thieves hurriedly hid in a grocery store named Naniya, but in They inexplicably received a series of letters in the grocery store! The three thieves, Shota, Atsuya and Xinghei, were taken aback by a letter that came in through the closed iron gate! After discussing with each other, the three of them plucked up the courage to open the strange letter. It turned out that a lady named Miss Rabbit consulted the owner of Naniya grocery store about her troubles. She had heard that this grocery store named Naniya could help people. Ask about troubles, put them in through the letter slot of the iron gate, and you can take out the reply letter from the milk box on the back wall of the grocery store the next day! It's amazing! As a result, they began to reply to letters of information in the short night: a boy in the fresh fish store who was hesitant to inherit the family business or pursue his music dream; The girl who entertains the girl; the boy who has to run away with his parents because of debts, seeks his future in the grocery store...  …! Of course, with these complicated problems, the brains of three thieves cannot provide any suggestions that can completely solve the problem! However, some recipients actually adopted their suggestions, and everything in their later lives was the same as the prophetic suggestions in the letter