my nightmare began when i moved into a new home with my wife, Natsuna. my neighbor was a typical freeloader, and from the day of the move, the entrance was piled high with garbage and emitting a strange odor. i, whose new life was ruined to the point where even the real estate company couldn't warn him, reached the peak of my anger and broke into my neighbor's house. he was a timid-looking man who just kept apologizing to me, but his eyes when he looked at Natsuna were abnormal, and i felt a strange uneasiness. a few days later, when the strange odor commotion had subsided, i noticed something strange about Natsuna...