Our Secret Diary (2023): movie guide

What is Our Secret Diary about?

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.

Cast highlights

Our Secret Diary features Fumiya Takahashi, Hiyori Sakurada, Mizuki Kayashima, Ryosuke Sota, Nagisa Saito, Mizuki Itagaki. Open the Cinema Box title page for the full cast list and character credits.

Key facts

Release date: 2023-07-07. Runtime: 111 minutes. TMDB score: 7.5/10 (42 votes). Genres: Romance. Original language: ja. Status: Released.

Discover Our Secret Diary on Cinema Box

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Frequently asked questions

What genre is Our Secret Diary?

Our Secret Diary is listed as Romance on TMDB.

How long is Our Secret Diary?

Our Secret Diary runs about 111 minutes.

Who stars in Our Secret Diary?

Cast highlights include Fumiya Takahashi, Hiyori Sakurada, Mizuki Kayashima, Ryosuke Sota, Nagisa Saito, Mizuki Itagaki.

Does Cinema Box stream Our Secret Diary?

No. Cinema Box is discovery-only — trailers, details, ratings, and watchlists. It does not host or stream full movies.