A horror adventure game set in an old apartment building deep in the mountains of Japan.
Features puzzle elements and can be completed in about 1–2 hours.

Shunya Takahashi, a paranormal streamer, sneaks into a cursed apartment building rumored to be the site of a family's mysterious disappearance, hoping to capture footage.
The moment the door of Room 101 closes behind him, he finds himself trapped in a space he cannot escape without solving its riddles.
Unravel the mysteries room by room and confront the truth of "that day" waiting beyond Room 203.

An escape-room-style first-person horror puzzle adventure.

Three different endings.

• No voice acting, text-based / Supports Japanese, English, Simplified Chinese, Korean, and Russian

• This game contains potentially distressing content, including depictions of suicide. If you are sensitive to such content or plan to stream your playthrough, please enable Sensitive Mode in the settings.