As the girls explore the western-style mansions and abandoned hospitals on Rougetsu Isle, they will rely on the moonlight and a faint flashlight to search for clues. The story progresses by discovering relics like old newspaper articles and notes that help the girls unravel the island’s secret past. While exploring, the girls will also be confronted by a series of spirits. They will need to use a Fatal Frame franchise classic, the Camera Obscura, to repel vengeful ghosts, sealing away their power by photographing them. Throughout the game, the girls will need to equip stronger lenses and change out different films in order to capture the most powerful spirits, while also using the camera to capture “things that cannot be seen” to help them find the evidence they need to remember their haunting past.
When the protagonists were children, they visited the isolated island of "Rogetsu Isle" to celebrate the Rogetsu Festival. In the midst of the celebrations, they suddenly disappeared. The game begins when the girls decide to go back and visit the island again in search of their lost memories of that day. Attempt to repel encroaching ghosts, relying solely on the faint glow of a flashlight and the Camera Obscura; a camera with the ability to photograph unimaginable things.
