Akasui-mon Green Area
In *Dark Gathering*, the protagonists arrive at a large water gate in front of a green space to investigate a paranormal incident. The water gate spans a river, its metal structure covered with rust, surrounded by an open lawn and sparse trees. The characters stand beneath the gate, looking up at the sluice, discussing the legend of a vengeful spirit attached to this place.
Scene context
第20集，时间戳13分25秒左右
Visit notes
- 该场景原型是位于东京都足立区的荒川赤水门绿地，水门建于昭和初期，用于调节荒川水位。
- 动画第20集于时间戳13分25秒左右展现了此地的全景，与实景高度一致。
- 赤水门因其红色锈迹而得名，是当地有名的灵异地点之一。