Supplements, sweets, and canned coffee. Such is the breakfast of Mariko Sato, who has been living with her boyfriend for seven years. They started living together thinking that they could enjoy breakfast every morning with lots of love and smiles. Mariko rarely sees her high school friends, but one morning, they get together to talk about her boyfriend issues. Over breakfast, she decides to break up with him so she can find a new Mariko. And so her days of having ideal breakfasts begin. Mariko's friends, Noriko Akutsu, Risa Arai, and Shiori Nasu discover that they too can do something about their problems. Follow these four ladies as they face their various problems and grow, all the while enjoying delicious breakfasts.