While celebrating with her friends in her new cheaply rented apartment on the thirteenth floor of a building, the young Sayaka unexpectedly jumps off the balcony committing suicide. Her mother goes insane and her older sister, Mariko, decides to investigate the mysterious death of her sister.
| Writing | Ataru Oikawa | Writer |
| Writing | Kei Ôishi | Writer |
| Writing | Takamasa Sato | Writer |
| Directing | Ataru Oikawa | Director |
| Production | Michael Taverna | Executive Producer |
| Sound | Masako Miyoshi | Original Music Composer |
| Production | Cindy Nelson-Mullen | Executive Producer |
| Production | Chiaki Harada | Producer |
| Production | Takeichi Honda | Executive Producer |
| Sound | John Lissauer | Original Music Composer |
| Camera | Tokushô Kikumura | Director of Photography |
| Editing | Shuichi Kakesu | Editor |
| Production | Daniel Fridell | Co-Producer |
