The female protagonists are twin sisters. In the entire 44-year history of the television station's afternoon drama time slot, which has produced all 175 works to date, this is the first time that real-life twin sisters have been cast to play twin characters in the drama. The drama is adapted from a popular manga series of the same name by renowned manga artist Tsunegumo Sumomi, a storytelling device often used in afternoon dramas. The roles of the twins (aged 17-20) are played by Ozaki Ai (23 years old) and Ozaki Yui (23 years old). This work also marks the first time the two have performed together, and it is their first time taking on leading roles in a TV drama. The younger sister...