🎬 Our Secret Diary (2023) ᴶᴾ

One day, Nozomi, a second-year high school student, finds a love confession letter on her classroom desk. The sender is Setoyama, the most popular boy in school. While puzzled as to whether or not the letter is a prank, a secret exchange diary between the two begins when she puts her reply in the shoebox. However, the letter and exchange diary were actually meant for someone else - Setoyama's close friend.