Yuuta Hagino who was looking for the part-time job during summer vacation, from Classmate Saya help of the festival held in the hometown is requested, going to the ghost town village of at the heart of a mountain.

It is entertained from Kaya of the shrine maiden who is the elder sister of Saya, the content of help "Marebito" it is reported it doesnt do until that day.

Though it was Yuuta to who the expectation rises because it is possible to live for a little while with the beautiful woman sisters, Kaya appears suddenly in the room, it has the relation as invited. Afterwards Yuuta has been connected with Saya while being puzzled, it is stimulated to the sexual desire to which self-control doesnt work whenever the relation is piled up.

He in the end the pleasure over and over again piled up, before long with shrine maiden sisters strange placed destining, he now know the meaning of "Marebito" which oneself was assigned to.