Sakuragi Miyabi is a high school student in Aomori. She lives with her lawyer grandfather and receives special education from him in the field of law. Sakuragi Miyabi soon becomes the youngest person to pass the bar exam on their first try. A decision is then made to send Sakuragi Miyabi to her grandmother in Tokyo, who works as a director of a law office.

Sakuragi Miyabi begins to work as an apprentice lawyer at her grandmother’s law office. Despite her position, she still has the mindset of a teenager and sometimes has disagreements with senior lawyers. Meanwhile, Sakuragi Miyabi begins classes at her new high school in Tokyo. She hides her lawyer job from people at her high school, but she eventually begins to give counseling at her school on law matters.