幸澤沙良

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.

Kuwazuru Mitsuki is a second year student at Arakawa Nishi High School. One day, her homeroom teacher, Tachibana, suddenly announces the start of the "Letter Game", where every student has to write a letter with his/her true feelings to each of the classmates. However, the "letter" will not include the sender's name. At first, there were a lot of bad jokes and silly "letters", but they slowly accelerate to revealing secrets and confessions, which make everyone question, "Who is the sender?" and "Who will be named next?" This game allows the students to become more aware of each other's hidden worries and thoughts, which slowly deepens the bond among the classmates. Meanwhile, Mitsuki tries to search for the sender of the letter sent to her and she discovers a secret hidden in this "letter game".