The protagonist Shinumiya Hiroaki, A new wife, Yuzuka of only that had married the other day and a love love newly-married life were spent. One day, There was a report of returning home for about one month from elder brother that did the free-lance writer in foreign countries. Then, Because it is a what to borrow the house living.. hey it is Hiroaki in my house who proposes it in case of about one month.

Protagonist, heroine and elder brother thus, The living of three people starts. It, Without knowing that the start of all nightmares...