Shiino one day finds out that her best friend Mariko has committed suicide. After snatching Mariko's urn from her abusive father, Shiino heads to Marigaoka Cape, a place Mariko always wanted to go.
Unfortunately the movie My Broken Mariko is not yet available on HBO Max.
| Sound | The Pees | Theme Song Performance |
| Directing | Yuki Tanada | Director |
| Writing | Yuki Tanada | Screenplay |
| Writing | Kosuke Mukai | Screenplay |
| Production | Keizo Okamoto | Co-Producer |
| Crew | Saori Masuko | Script |
| Directing | Daika Matsukura | Assistant Director |
| Sound | Hisaki Kato | Music |
| Production | Kanako Yoneyama | Producer |
| Production | Keisuke Konishi | Executive Producer |
| Writing | Waka Hirako | Original Story |
| Production | Yoko Yamashita | Casting |
