Mei Tachibana is a high school student. Due to a traumatic incident when she was a kid, Mei has been unable to make friends or have boyfriends. By mistake, Mei then injures the most popular male student named Yamato Kurosawa. Somehow, Yamato Kurosawa likes Mei Tachibana and tells everyone unilaterally that Mei is his friend. One day, Yamato Kurosawa saves Mei Tachibana from a stalker by kissing her. From that kiss, their love story begins.
Is Say 'I Love You' on Netflix? Unfortunately the movie Say 'I Love You' is not yet available on Netflix.
| Directing | Asako Hyuga | Director |
| Writing | Asako Hyuga | Screenplay |
| Writing | Kanae Hazuki | Comic Book |
| Camera | Yûta Tsukinaga | Director of Photography |
| Production | Minori Tabuchi | Producer |
| Production | Daisuke Fukushima | Producer |
| Sound | Kazuhiro Kurihara | Sound Recordist |
| Sound | Yu Takami | Original Music Composer |
| Production | Fumitsugu Ikeda | Producer |
| Production | John Ledford | Executive Producer |
| Production | John Ledford | Producer |
| Costume & Make-Up | Kumiko Iijima | Costume Designer |
