Kyo Otsuka is a shy high school student with zero confidence but he has feelings for Naoko Miki, the most popular girl in his class. Instead of putting himself forward, he watches her from afar as she hangs out with her energetic friends. This includes Hirofumi, Miki’s childhood friend and Kyo’s friend. Hirofumi is handsome and athletic and has a nice personality. When another shy student stops going to school, the feelings of everyone begin to change.
Is I Have a Secret on Netflix? Unfortunately the movie I Have a Secret is not yet available on Netflix.
| Directing | Shun Nakagawa | Director |
| Writing | Shun Nakagawa | Screenplay |
| Writing | Yoru Sumino | Novel |
| Production | Shigeaki Yoshida | Executive Producer |
| Production | Masanao Takahashi | Executive Producer |
| Production | Yusuke Taguchi | Producer |
| Editing | Naoichiro Sagara | Editor |
| Sound | Shuta Hasunuma | Original Music Composer |
| Camera | Hironori Ito | Director of Photography |
| Sound | Hideoki Mogi | Music Producer |
| Costume & Make-Up | Reiko Fujiwara | Makeup & Hair |
| Production | Takeshi Udaka | Producer |
| Visual Effects | Yui Furuhashi | VFX Supervisor |
| Lighting | 太田周兵 | Gaffer |
| Costume & Make-Up | 阿部公美 | Costumer |
| Sound | Misaki Urakawa | Sound Effects |
| Sound | Kentaro Suzuki | Sound Recordist |
| Production | Yamato Saito | Production Manager |
| Production | Hirotaka Aragaki | Development Manager |
| Production | Tetsuta Tone | Development Manager |
| Production | Yasushi Utagawa | Production Supervisor |
| Production | Kaori Iizuka | Line Producer |
| Production | Yuya Mitsuhashi | Production Coordinator |
| Sound | Keisuke Abe | Music Producer |
| Sound | Chanmina | Theme Song Performance |
