Swan Grave

※Please be aware that this work is entirely fictional and contains scenes of non-consensual sexual acts. Please consider this when using the book. Anna, a dimension traveler, enters the Lohengrin manor, known by the ominous nickname 'Swan's Tomb,' as a maid in search of a way to return to her original world. There, she accidentally encounters Duke Rotbart. He mistakes Anna for his missing wife and forcibly takes her, then makes an unexpected proposal. "Become my wife's substitute." He then reveals that in order for Anna to return to her original world, she must 'bear a child with someone from this world.' While she contemplates, Rotbart's son, Svanhild, also lingers around her, pleadin...