An isolated island in the south far from the mainland. There was a training camp facility owned by a certain school. Omi Riku, who took over the caretaker for only two weeks on behalf of his predecessor who was hospitalized in the accident. However, in the caretaker room, he finds a voyeur video that his predecessor seems to have taken and saved. Riku seals the video with contempt. However, contrary to that thought, his heart gradually begins to resonate with his predecessor's "evil spirit" ...