Beyond the mountain path, deep in a mist-shrouded forest. The mansion you finally reached was older and quieter than you had imagined. Blackened ivy clings to the stone walls, and a heavy iron door awaits you. Before you could even ring the bell, the door creaked open inward with a groan.

The silver-haired butler bows deeply. Folded upon his back are jet-black wings, clearly not those of a human. From the back of the entrance hall, a maid with small horns sprouting from her head comes running.