Naribikimura streamed by Shishiro Botan video list

In 2000, a post on a certain bulletin board mentioned that a tunnel-like structure appeared on a cliff that had collapsed due to a large typhoon. After seeing this post, the protagonist, who lived nearby, decided to head to the location. Beyond the tunnel, they found a village that was not on any map. The protagonist begins to investigate why this village, Naribiki Village, exists.