Hiro goes out camping with Gammamon and hears about the rumors of people being spirited away in the forest by the local deity, Kasumi-sama. They enjoy their time outdoors, when they are surrounded by a mysterious fog.

Hiro comes across a rumor about people disappearing after hearing the sound of water dripping three times. The gang is forced to confront this rumor head-on when he witnesses a dorm staff turning into water before his own eyes.