High school student Ayumi kills herself and leaves behind a cryptic message that says "will be killed by boyfriend."
Unfortunately the movie Cellular Boyfriend + is not yet available on HBO Max.
| Production | Motoo Kawabata | Producer |
| Editing | Sho Tsukikawa | Editor |
| Camera | Yukibumi Josha | Director of Photography |
| Production | Tomoyoshi Izumi | Line Producer |
| Production | Issei Shibata | Producer |
| Production | Yoshihiro Yagihara | Producer |
| Writing | Kagen | Novel |
| Directing | Sho Tsukikawa | Director |
| Writing | Sho Tsukikawa | Screenplay |
