A mysterious disappearance of a boy during a sleepover.
Unfortunately the movie The Sleepover at Twelve is not yet available on HBO Max.
| Directing | Daniel Lee | Director |
| Writing | Daniel Lee | Story |
| Writing | Lee Seung-jae | Story |
| Writing | Jung Yerim | Story |
| Writing | Choi Dae-hee | Story |
| Editing | Daniel Lee | Editor |
