Mariko (Reina Triendl) cares about eating breakfast a lot due to her mother's influence. Mariko and her boyfriend have lived together for 7 years, but they haven't had breakfast together very often. Even though Mariko began living with her boyfriend, imagining eating breakfast together and smiling.

One day, Mariko has breakfast with Noriko (Kanna Mori), Risa (Yuko Araki) and Shiori (Eri Tokunaga). They are all friends from their high school days. While having breakfast together, Mariko decides to breakup with her boyfriend and to find her new self. The women also decide to have breakfast together regularly.

Supplements, sweets, and canned coffee. Such is the breakfast of Sato Mariko, 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. Noriko, Risa, and Shiori 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.