A novice actress, Miku have been appointed the leading role in a play written by a legendary writer. During the play, she bizarrely found herself in the world described in the play—the world has the same setting as what's written in the script, a mansion and 7 inhabitants. For the sake of escaping back to reality, Miku and the inhabitants have to search for a stolen page from the script...

A novice actress, Miku have been appointed the leading role in a play written by a legendary writer. During the play, she bizarrely found herself in the world described in the play—the world has the same setting as what's written in the script, a mansion and 7 inhabitants. For the sake of escaping back to reality, Miku and the inhabitants have to search for a stolen page from the script...

Rin, a young angel (presumed female, but angels don’t have clear genders) falls in love with a young human girl, Miku. However, their love is considered taboo, and so, Rin makes a deal with the devil to be reborn as the human boy, Len, in order to be with Miku. However, their happiness together is short-lived, and even that soon ends in tragedy.