On August 12, 2015, Hasegawa proposed to Ichiko. Ichiko is moved by Hasegawa's proposal and sheds tears, but the next day, she suddenly leaves home, seemingly shocked after seeing the TV news. Where did Ichiko go? Hasegawa reports the disappearance to the police, and the detective in charge of the investigation tells an unexpected story.
Unfortunately the movie Ichiko is not yet available on HBO Max.
| Directing | Akihiro Toda | Director |
| Sound | Masamichi Shigeno | Original Music Composer |
| Costume & Make-Up | Ayano Watanabe | Costumer |
| Production | Sawako Ohzu | Casting |
| Production | 栗原忠慶 | Co-Producer |
| Production | King-Guu | Executive Producer |
| Production | Keisuke Konishi | Executive Producer |
| Production | Hiroki Ohwada | Executive Producer |
| Production | Tadakazu Koike | Executive Producer |
| Production | Nobuo Kameyama | Producer |
| Production | 深澤知 | Line Producer |
| Production | SUGIMOTO Yusuke | Co-Producer |
| Production | Daisuke Urano | Associate Producer |
| Writing | Naho Kamimura | Screenplay |
| Writing | Akihiro Toda | Screenplay |
| Editing | Akihiro Toda | Editor |
| Camera | Kosuke Haruki | Director of Photography |
| Art | Setsuko Shiokawa | Art Direction |
| Sound | Junji Yoshikata | Sound Effects |
| Lighting | Reiji Okubo | Gaffer |
| Sound | Junji Yoshikata | Sound Recordist |
| Directing | Wataru Hiranami | Assistant Director |
| Camera | Madoka Shibazaki | Still Photographer |
