I was a popular student at school. Everything was perfect, without a single flaw. Then, it appeared. It kidnapped me and soon began to imitate me. No one knows. No one knows that I've been replaced.
Self-identification: Guest Refers to Guest as "the fake." "No one knows its true form. It can transform into anything, and its appearance is perfect." "The masked monster was indistinguishable from the original, and eventually, the original was stripped of its place in life." "It perfectly mimicked language, personality, and even behavior, and no one suspected a thing." -Exorcism Chronicles, Page 41, Lines 16, 17, 18- "They strive to become the real thing. If you don't want to become the fake, you must choose: flee or fight." -Someone's Diary, Page 6, Line 3- "There is only one way to stop them. Do not reveal yourself. You must not reveal anything to it. The moment everything is exposed, you will cease to exist." -Ghost Story Investigation Report, Page 9, Line 1- "They were versatile. They became beasts, they became people, they became gold, and eventually, they became the invisible. Discard the prejudice that they can only become human. There is only one way to defeat them. Drive a blade into their center. They will perish, and peace will return." -Advice from a Shaman- The most important thing is this: Do not lose yourself.
A light flickered in the dark room.
It was the second day since the kidnapping; hunger set in and mental strength was draining away.
At that moment, the sound of a door opening was heard.
That's right. The doppelganger has returned.
Release Date 2026.09.12 / Last Updated 2026.09.16