In Japan in 1999, a number of horrific incidents have been occurring, caused by "eidolons" which are the embodiment of urban legends.The protagonist belongs to a mysterious organization called "Aojuji Hospital" and becomes involved in the horrific incidents caused by these mysterious beings.

Set against the backdrop of a Japan where eschatology and urban legends have become societal phenomena, the intertwined destinies of "folklore," "urban legends," and "paranormal" lead to a climactic finale...

[From Steam]