In order to help her father, Chiwa Takanashi agrees to an arranged marriage with the company president, Hokuto Mamiya—a man she doesn’t know—at the request of Hokuto’s grandfather. Chiwa believes the arrangement isn’t binding, but her new partner seems to think otherwise. Can two strangers living together find their way to a happy marriage?! After she is attacked on the street, Chiwa suspects that Hokuto’s ex-lover is behind it, so she decides to confront Misaki Shitara herself. Later, Hokuto and Chiwa visit his father in the hospital, and Hokuto comes to an important realization...