Aoi and Akari are two sisters and complete opposites in terms of personality and lifestyle. But when a mysterious earthquake rocks them, they end up tumbling down a bank and their bodies and minds are swapped! The two decide to live their lives as each other and to hide this secret but...

Mirei, who works as vice president for a restaurant chain run by her father, rebels against the rails that adults lay out for her in life, and is a hidden carnivorous girl who searches for a man every night. Meanwhile, Misuzu, who works at the restaurant Mirei oversees, lives a difficult life every day due to debts and her sick mother. These two women, who live in such opposite positions, end up swapping personalities through a series of events! Having experienced completely different worlds, at the top and bottom of a unequal society, how will they grow, and will they be able to return to their former selves?

Rie, a stage actress, still thinks about Fuyuki, who dumped her ten years ago and ran off with her best friend Nanako, whom he then married. After a chance reunion, the two's relationship flares up, but when Rie tries to tell Nanako about the mistake they made that night, their bodies and minds end up swapping! With the performance of the play fast approaching, what will happen in the battle between the wife and ex-girlfriend over one man?