Nozomi Kuroda is in the 2nd grade of high school. One day, she finds a letter in a classroom desk. The letter has only the word "like" written on it. The person who wrote the letter is Jun Setoyama. He happens to be the most popular boy at the high school. Nozomi Kuroda feels embarrassed, but she eventually leaves a reply in a shoe closet at school. This is how their secret exchange diary begins. Nozomi Kuroda soon learns that the intended recipient for the first letter was her best friend. Nevertheless, Nozomi Kuroda is attracted to Jun Setoyama, who expresses his thoughts and feelings unlike her. She's unable to tell him the truth that the person exchanging messages is her and not her best friend.
Higashiyama Haruto is a 34-year-old Japanese history teacher who combines good looks with an honest and friendly personality. When he has been assigned to Nitaka High School, a school for advanced students, Haruto immediately attracts the attention of his female students. But he has a secret that he cannot tell anyone; he wants to be killed by a beautiful high school girl. Obsessed with such a bizarre desire, Haruto approaches four beautiful girls of different types, Maho, Aoi, Kyoko, and Aika, according to the perfect crime scenario he has devised. Who among the four is the high school girl that Haruto has been longing to be killed by for nine years?
Kobayashi Daiki is a first year high school student who moved from Tokyo to Hita City in Oita Prefecture. He meets Kudo Misaki, a member of a local geta dance team who livens up the city's atmosphere with the traditional footwear
Born and raised in a wealthy family, Tamaki Matsuzawa was at the top of the hierarchy at a missionary school for young ladies, but when her father's company went bankrupt, her life changed forever. Unable to tell her friends about her situation, she finds herself at a loss. Suddenly, she is drawn to the vibrations of a sound she hears, and comes upon her classmate Maria Niijima playing the Japanese drum.