"This city has long been a land of many being spirited away, and those who are mentally ill or heavily distressed are more likely to be taken. Are you alright?” Protagonist Misa Isshiki is a second-year high school student. It was around the beginning of fall when her best friend said this to her, which gave her a shock. “I don’t believe in being spirited away, so I’m alright.” That’s right, she doesn’t believe in it. She just… feels lost because of a major distress—her career path. She hears a creepy voice whisper in her ears. “Let us find your path. I am the one who will tempt you into the darkness.” From that point on, strange things begin to occur around her…