The story takes places in a strange and mysterious rental apartment house. Each tenant has their own unique features, interests and fetishes. The landlord is a useless bum who inherited the apartment house through sheer luck, in order to satisfy his own

Two hundred years ago, on the Battlefield of the Blue River, the last remaining army of the Empire of Light collapsed in the midst of demonic outcries. As the last Field Marshal and Emperor fell, the chaotic world of the Western River no longer had a comm