大崎娜娜（朴璐美 配音），心怀音乐梦的朋克女青年，曾在家乡和男友本城莲（木内秀信 配音）、好友高木泰（川原庆久 配音）、寺岛伸夫（关智一 配音）合组乐队Black Stones，后因莲被当红乐队Trapnest挖角到东京发展，二人被迫分手。时隔两年，娜娜也决定前往东京， 找来泰和伸夫重整Black Stones旗鼓，誓要和莲的Trapnest一拼高下。小松奈奈（KAORI 配音），永远沉浸在恋爱梦中的不靠谱小镇姑娘，因男友远藤章司（高桥广树 配音）到东京求学备受异地恋煎熬，而今终于有机会移居东京陪伴章司。两个名字发音同为“nana”的女孩相遇在去往东京的新干线上，又十分凑巧地看重同一间“707”号公寓，二人决定合租。两个性格迥然不同的女孩，加上两个竞争乐队的男孩们，从此生活、梦想、爱情、挫折就这样交织在一起，再也不可分……&uuyuuypy;豆瓣
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