Onodera Yumeko may look smart on the outside, but at home, she is a complete mess in terms of housework and fashion. Yumeko is particularly clumsy in romance and always dream about her first love in high school who she still thinks is her ideal man. Somehow, Yumeko keeps experiencing trouble one after another. Her boyfriend whom she thought would propose to her ended up breaking up with her, and her junior colleague at work betrayed her. Yumeko becomes heartbroken but she suddenly meets a young man who is the spitting image of her first love and her daily life changes like a roller coaster.