ハロウィンの夜に遭遇した彼女。
イベントに乗じた変質者なのか…そもそもこの世の者なのか…
訳も分からぬまま、闇の中で交じり合う。
She encountered on Halloween night.
Is she a pervert taking advantage of the event... or is she from this world in the first place?
They mingle in the darkness without knowing why.