The protagonist Ryoko Kaminami lost her mother at a young age and was dependent on her father. With her outstanding talents and the knowledge accumulated from attending trials, she passed the judicial examination in high school in one try.However, after her father suddenly disappeared, she did not pursue the truth or enter the legal profession, but lived alone.

Until 2024, he decided to become a lawyer by chance, and took winning the case as a matter of course.In order to win the case, she did whatever it took to expose the truth that was difficult for the other party to face, and she also put forward her own unique insights into social issues such as sexual harassment, appearance discrimination, and reproductive medical care.