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.

Horror

Noriko Nakagoshi, Arata Furuta, Eriko Hatsune, Yuka Itaya, Naoko Ohtani, Akira Fukada