Our Secret Diary

One day, Nozomi, a second-year high school student, finds a letter in the desk of her mobile classroom with just one word written on it. The sender is Setoyama, the most popular boy in school. Although she is confused as to whether it is a prank, he puts her reply in the shoebox and the two begin their secret exchange diary. However, it turns out that the letters and diary exchanges were actually addressed to a close friend. The diary exchange started as a result of a misunderstanding, but they ended up continuing the exchange without being able to reveal the truth. Nozomi is a bad talker who always reads her mood too much, and at first she doesn't like Setoyama, who is the complete opposite of her and speaks his mind clearly. , as she gets to know him, she becomes attracted to him. On the other hand, she loses more and more opportunities to confide in her, and her situation takes an unexpected turn...