In a chilling short manga by Junji Ito, featured as a bonus alongside his fish-zombie-apocalypse tale Gyo, a boy named Oowaki and a girl named Yoshida cross paths on Amigara Mountain. The mountain holds a disturbing secret with human-shaped holes littering its surface, mysteriously drawing in individuals who match their shapes. As they venture into these eerie voids, the unsettling descent into claustrophobia and terror unfolds, leaving a trail of haunting nightmares in its wake.